{"title":"X-Class \u0026 Industrial Motors (42XX-62XX)","description":null,"products":[{"product_id":"emx-mt-0449-gt5335-250kv","title":"EMX-MT-0449-GT5335-250KV","description":"\u003cp\u003e\u003cimg title=\"Specification\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/EMX-MT-0446-DES-2.jpg\" alt=\"Specification\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"Specification\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/EMX-MT-0446-DES-3.jpg\" alt=\"Specification\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEMAX brushless motors are suitable for a wide range of hobby, engineering, and custom motion-control applications. They're ideal for high-speed propulsion, precision motion control, custom cooling fans, gimbals, 3D-printed mechanisms, and STEM or engineering prototypes.\u003c\/p\u003e\n\u003cp\u003eIf you're building lightweight, high-efficiency systems that need reliable power, smooth operation, and long service life, EMAX brushless motors are the go-to solution.\u003c\/p\u003e\n\u003ch2\u003eEMAX GT5335 250KV Brushless Motor\u003c\/h2\u003e\u003cp\u003eThe EMAX GT5335 250KV is a large-format, ultra-low-KV brushless motor built for heavy-lift multirotors, large fixed-wing aircraft, and high-power RC platforms. At just 250KV, it generates massive torque at very low RPM — designed to spin large-diameter propellers (14 inches and above) on 6S or higher LiPo for serious lifting power and efficient sustained flight. The go-to motor for builders working on heavy-lift hexacopters, octocopters, and large-scale RC aircraft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGT5335 stator\u003c\/strong\u003e — large-format motor for heavy-lift and large-scale RC builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250KV rating\u003c\/strong\u003e — ultra-low KV for maximum torque on 14+ inch propellers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh sustained thrust\u003c\/strong\u003e — designed for heavy-lift payload carrying and stable, wind-resistant flight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6S+ LiPo compatible\u003c\/strong\u003e — built for high-voltage, high-power configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine EMAX GT series quality\u003c\/strong\u003e — proven reliability in demanding heavy-lift applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe motor of choice for serious heavy-lift builds. Ideal for 550mm+ hexacopters, octocopters, and large fixed-wing platforms running 14+ inch props on 6S or higher LiPo.\u003c\/p\u003e","brand":"Emax-US","offers":[{"title":"Default Title","offer_id":33691139932219,"sku":"EMX-MT-0449","price":44.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/products\/emx-mt-0446-1_2__83185.1484595158.1280.1280.jpgc-2.jpg?v=1590534785"},{"product_id":"eco-ii-4720-brushless-motor-choose-kv","title":"ECO II 4720 Brushless Motor","description":"\u003cdiv class=\"emx4720\"\u003e\n  \u003cstyle\u003e\n    .emx4720{--red:#e31b23;--black:#070809;--line:#292d33;--text:#f3f4f6;background:var(--black);color:var(--text);border:1px solid #1c1f24;font-family:Arial,Helvetica,sans-serif;line-height:1.55;overflow:hidden;isolation:isolate}\n    .emx4720 *{box-sizing:border-box}.emx4720 img{display:block;width:100%;height:auto}.emx4720 p{margin-top:0;color:#c9cdd4}.emx4720 h2,.emx4720 h3,.emx4720 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.hero:after{content:\"4720\";position:absolute;right:-18px;bottom:-55px;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.055);font-size:clamp(130px,24vw,330px);font-weight:900;line-height:1;pointer-events:none}.emx4720 .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(270px,.6fr);gap:40px;align-items:end}.emx4720 .series{display:inline-flex;padding:7px 11px;border:1px solid #3a1b1e;background:#170b0d;color:#ffb8bb;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}.emx4720 .hero h2 span{color:var(--red)}.emx4720 .hero-side{border-left:2px solid var(--red);padding:4px 0 4px 20px}.emx4720 .hero-side strong{display:block;color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}.emx4720 .hero-side span{display:block;color:#8f969f;font-size:13px;line-height:1.65}\n    .emx4720 .stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:42px}.emx4720 .stat{min-height:122px;padding:21px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,#0e1013,#0a0c0e)}.emx4720 .stat small{display:block;color:#7f8792;font-size:10px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;margin-bottom:9px}.emx4720 .stat strong{display:block;color:#fff;font-size:28px;line-height:1}.emx4720 .stat span{display:block;color:#9ba1aa;font-size:12px;margin-top:7px}.emx4720 .media{margin:30px 0 0;border:1px solid #25292f;background:#050607;box-shadow:0 22px 55px rgba(0,0,0,.36)}\n    .emx4720 .grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.emx4720 .kv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:28px}.emx4720 .kv{padding:22px 18px;border-top:3px solid var(--red);background:#0d0f12}.emx4720 .kv b{display:block;font-size:28px;color:#fff}.emx4720 .kv span{display:block;color:#b7bcc4;font-size:13px;margin-top:7px}.emx4720 .scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.emx4720 table{width:100%;border-collapse:collapse;background:#0b0d0f}.emx4720 th,.emx4720 td{padding:13px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}.emx4720 th{background:#15181c;color:#fff;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.emx4720 td{color:#cbd0d7;font-size:14px}.emx4720 tbody tr:nth-child(even) td{background:#0e1013}.emx4720 .accent{color:#ff4a50;font-weight:800}.emx4720 .caption{font-size:12px;color:#8f969f;margin:12px 0 0}.emx4720 .features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.emx4720 .feature{padding:22px;border:1px solid var(--line);background:#0d0f12}.emx4720 .feature b{display:block;color:#fff;margin-bottom:6px}.emx4720 .feature span{color:#9fa5ae;font-size:13px}.emx4720 .box-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:26px 0 0;padding:0;list-style:none}.emx4720 .box-list li{position:relative;padding:15px 15px 15px 42px;border:1px solid var(--line);background:#0d0f12;color:#e4e6ea}.emx4720 .box-list li:before{content:\"\";position:absolute;left:18px;top:23px;width:8px;height:8px;border-radius:50%;background:var(--red)}.emx4720 .foot{padding:25px 0;border-top:1px solid var(--line);background:#050607}.emx4720 .foot p{font-size:12px;color:#848b95;margin:0}\n    @media(max-width:820px){.emx4720 .hero-grid,.emx4720 .grid2{grid-template-columns:1fr}.emx4720 .stats{grid-template-columns:repeat(2,1fr)}.emx4720 .features{grid-template-columns:1fr}.emx4720 .section{padding:48px 0}}\n    @media(max-width:520px){.emx4720 .wrap{padding:0 16px}.emx4720 .hero{padding-top:50px}.emx4720 .stats,.emx4720 .kv-grid,.emx4720 .box-list{grid-template-columns:1fr}.emx4720 th,.emx4720 td{padding:10px;font-size:12px}}\n  \u003c\/style\u003e\n\n  \u003cheader class=\"hero\"\u003e\u003cdiv class=\"wrap\"\u003e\n    \u003cdiv class=\"hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"series\"\u003eEMAX \/ ECO II SERIES\u003c\/div\u003e\n\u003ch2\u003eEMAX ECO II \u003cspan\u003e4720\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eA 324 g high-torque external-rotor platform for 15-inch aircraft, offered in 290KV and 380KV windings across 6S through 12S systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hero-side\"\u003e\n\u003cstrong\u003eTwo windings. Up to 10.39 kg tested thrust.\u003c\/strong\u003e\u003cspan\u003eChoose 290KV for the widest voltage range or 380KV for 6S–8S systems.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"stats\" aria-label=\"ECO II 4720 key specifications\"\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e12N14P\u003c\/strong\u003e\u003cspan\u003eExternal-rotor architecture\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor size\u003c\/small\u003e\u003cstrong\u003e55.1 × 71\u003c\/strong\u003e\u003cspan\u003eMillimeters\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eWeight\u003c\/small\u003e\u003cstrong\u003e324 g\u003c\/strong\u003e\u003cspan\u003eWithout silicone wire\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003ePropeller\u003c\/small\u003e\u003cstrong\u003e15 in\u003c\/strong\u003e\u003cspan\u003eBoth KV variants\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cfigure class=\"media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-82b4b0d5-6636-4909-bb09-0f63e710bf8a.png?v=1787945198\" alt=\"EMAX ECO II 4720 brushless motor for 15-inch FPV aircraft with 290KV and 380KV options\" loading=\"eager\"\u003e\u003c\/figure\u003e\n  \u003c\/div\u003e\u003c\/header\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e01 \/ Choose Your KV\u003c\/div\u003e\n\u003ch3\u003eMatch the winding to the voltage.\u003c\/h3\u003e\n\u003cp class=\"lede\"\u003eBoth versions are specified for 15-inch propellers, with cell-count options spanning 6S through 12S.\u003c\/p\u003e\n\u003cdiv class=\"kv-grid\"\u003e\n\u003cdiv class=\"kv\"\u003e\n\u003cb\u003e290KV\u003c\/b\u003e\u003cspan\u003e6–12S · 15-inch propeller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kv\"\u003e\n\u003cb\u003e380KV\u003c\/b\u003e\u003cspan\u003e6S–8S · 15-inch propeller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-3684da3a-678b-441d-a12f-71c73d0df925.png?v=1787945219\" alt=\"EMAX ECO II 4720 KV guide showing cell count and maximum recorded thrust for 290KV and 380KV\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded thrust by KV.\u003c\/h3\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable aria-label=\"ECO II 4720 maximum recorded bench results\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eTest propeller\u003c\/th\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"accent\"\u003e290KV\u003c\/td\u003e\n\u003ctd\u003eHQ 15×7×3, 3-blade\u003c\/td\u003e\n\u003ctd\u003e48.0 V\u003c\/td\u003e\n\u003ctd\u003e76.5 A\u003c\/td\u003e\n\u003ctd\u003e10,387 g\u003c\/td\u003e\n\u003ctd\u003e3672.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"accent\"\u003e380KV\u003c\/td\u003e\n\u003ctd\u003eHQ 15×7×3, 3-blade\u003c\/td\u003e\n\u003ctd\u003e33.6 V\u003c\/td\u003e\n\u003ctd\u003e70.3 A\u003c\/td\u003e\n\u003ctd\u003e7,693 g\u003c\/td\u003e\n\u003ctd\u003e2362.08 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"caption\"\u003eMaximum-throttle bench results from the supplied EMAX load-test sheets. Results are configuration-dependent and are not guaranteed aircraft-level performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e03 \/ Motor Construction\u003c\/div\u003e\n\u003ch3\u003eExternal-rotor torque with a 12N14P magnetic circuit.\u003c\/h3\u003e\n\u003cp class=\"lede\"\u003eThe permanent-magnet bell rotates around the fixed copper-wound stator, supported by an 8 mm bearing shaft and precision bearings.\u003c\/p\u003e\n\u003cfigure class=\"media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-964353e3-8e71-4e1c-9a25-6dd09a82f92e.png?v=1787945228\" alt=\"Exploded EMAX ECO II 4720 external-rotor motor showing M6 shaft, 14-pole magnet ring, 12-slot copper-wound stator, precision bearing support and 30 by 30 millimeter four-hole base\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e04 \/ Platform Details\u003c\/div\u003e\n\u003ch3\u003e4720 geometry and installation details.\u003c\/h3\u003e\n\u003cdiv class=\"grid2\"\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable aria-label=\"ECO II 4720 mechanical specifications\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e12N14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall dimensions\u003c\/th\u003e\n\u003ctd\u003eØ55.1 × 71 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e324 g without silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 clockwise thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30 mm, four holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeads\u003c\/th\u003e\n\u003ctd\u003e360 mm, 13 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cb\u003eSteel shaft\u003c\/b\u003e\u003cspan\u003eM6 CW propeller thread.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cb\u003eAnodized finish\u003c\/b\u003e\u003cspan\u003ePolished gunmetal rotor bell.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cb\u003eMulti-strand winding\u003c\/b\u003e\u003cspan\u003eThree-phase copper-wound stator.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-53c5f0ca-a192-4791-8e8c-50021107021d.png?v=1787945237\" alt=\"EMAX ECO II 4720 motor platform for 15-inch FPV aircraft with 290KV and 380KV options\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific published limits.\u003c\/h3\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable aria-label=\"ECO II 4720 electrical specifications by KV\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle current at 10 V\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak current\u003c\/th\u003e\n\u003cth\u003eMaximum power\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"accent\"\u003e290KV\u003c\/td\u003e\n\u003ctd\u003e6–12S\u003c\/td\u003e\n\u003ctd\u003e15 in\u003c\/td\u003e\n\u003ctd\u003e1.7 A\u003c\/td\u003e\n\u003ctd\u003e47 mΩ\u003c\/td\u003e\n\u003ctd\u003e77 A at 12S\u003c\/td\u003e\n\u003ctd\u003e3696 W at 12S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"accent\"\u003e380KV\u003c\/td\u003e\n\u003ctd\u003e6S–8S\u003c\/td\u003e\n\u003ctd\u003e15 in\u003c\/td\u003e\n\u003ctd\u003e2.4 A\u003c\/td\u003e\n\u003ctd\u003e32 mΩ\u003c\/td\u003e\n\u003ctd\u003e72 A\u003c\/td\u003e\n\u003ctd\u003e2420 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e06 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eCore installation hardware included.\u003c\/h3\u003e\n\u003cfigure class=\"media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-339d6ab6-0717-40a2-9f80-761d0abf3978.png?v=1787945208\" alt=\"EMAX ECO II 4720 motor, four M4 by 14 millimeter screws, steel M6 nylock nut and propeller washer\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cul class=\"box-list\"\u003e\n\u003cli\u003e1 × ECO II 4720 motor\u003c\/li\u003e\n\u003cli\u003e4 × M4×14 mounting screws\u003c\/li\u003e\n\u003cli\u003e1 × steel M6 nylock nut\u003c\/li\u003e\n\u003cli\u003e1 × propeller washer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003cfooter class=\"foot\"\u003e\u003cdiv class=\"wrap\"\u003e\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance values are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. Select the motor winding, propeller, ESC, battery and cooling appropriate for the complete aircraft.\u003c\/p\u003e\u003c\/div\u003e\u003c\/footer\u003e\n\u003c\/div\u003e\n","brand":"Emax USA","offers":[{"title":"290KV","offer_id":47958460170476,"sku":"ECOII4720290","price":65.99,"currency_code":"USD","in_stock":true},{"title":"380KV","offer_id":47958460203244,"sku":"ECOII4720380","price":65.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOII-4720-380KV_4.jpg?v=1784670920"},{"product_id":"emax-ecoii-4315-brushless-motor","title":"EMAX ECOII 4315 Brushless Motor","description":"\u003cdiv class=\"emx4315\"\u003e\n\u003cstyle\u003e\n.emx4315{--r:#e31b23;--rd:#8d0f15;--b:#070809;--p:#0d0f12;--l:#292d33;--t:#f3f4f6;background:var(--b);color:var(--t);border:1px solid #1c1f24;font-family:Arial,Helvetica,sans-serif;line-height:1.55;overflow:hidden}.emx4315 *{box-sizing:border-box}.emx4315 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solid var(--l);border-left:1px solid var(--l);margin-top:42px}.emx4315 .stat{padding:21px 20px;border-right:1px solid var(--l);border-bottom:1px solid var(--l);background:#0d0f12}.emx4315 .stat small{display:block;color:#7f8792;font-size:10px;font-weight:800;text-transform:uppercase;margin-bottom:9px}.emx4315 .stat strong{display:block;color:#fff;font-size:28px;line-height:1}.emx4315 .stat span{display:block;color:#9ba1aa;font-size:12px;margin-top:7px}.emx4315 .media{background:#000;border-top:1px solid var(--l)}.emx4315 .media-wrap{width:min(1400px,100%);margin:auto}.emx4315 figure{margin:0}.emx4315 .media-copy{width:min(1160px,100%);margin:auto;padding:24px 26px 30px;border-top:1px solid #191c20}.emx4315 .media-copy p{margin:0;color:#969da7;font-size:12px}.emx4315 .media-copy b{color:#fff}.emx4315 .heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.emx4315 .heading p{max-width:560px;margin:0;font-size:14px}.emx4315 .kv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.emx4315 .kv{position:relative;background:linear-gradient(145deg,#13161a,#0b0d10 72%);border:1px solid var(--l);padding:22px 17px}.emx4315 .kv:before{content:\"\";position:absolute;left:0;top:0;width:50px;height:3px;background:var(--r)}.emx4315 .num{color:#fff;font-size:35px;font-weight:900}.emx4315 .num span{color:var(--r);font-size:14px}.emx4315 .use{color:#a8afb9;font-size:12px;margin:11px 0 16px;min-height:56px}.emx4315 .kv-data{border-top:1px solid var(--l)}.emx4315 .kv-data div{padding:9px 0;border-bottom:1px solid var(--l)}.emx4315 .kv-data small{display:block;color:#777f8a;font-size:9px;text-transform:uppercase}.emx4315 .kv-data strong{display:block;color:#fff;font-size:13px}.emx4315 .tested{margin-top:12px;color:#aeb4bd;font-size:10px}.emx4315 .tested b{color:#fff}.emx4315 .features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--l);border:1px solid var(--l)}.emx4315 .feature{background:#0c0e11;padding:23px 21px;min-height:150px}.emx4315 .index{color:var(--r);font-size:10px;font-weight:900;letter-spacing:.14em;margin-bottom:17px}.emx4315 .feature p{font-size:13px;color:#969da7;margin:0}.emx4315 .spec-layout{display:grid;grid-template-columns:1fr 1fr;gap:26px}.emx4315 table{width:100%;border-collapse:collapse;background:#0b0d0f}.emx4315 th,.emx4315 td{border-bottom:1px solid #24282e;padding:12px 13px;text-align:left;vertical-align:top}.emx4315 .spec th{width:44%;color:#7f8792;font-size:10px;text-transform:uppercase}.emx4315 .spec td{color:#eef0f3;font-size:13px;font-weight:700}.emx4315 .callout{border:1px solid var(--l);background:#0d0f12;padding:25px}.emx4315 .callout strong{display:block;color:#fff;font-size:25px;margin-bottom:12px}.emx4315 .callout strong span{color:var(--r)}.emx4315 .scroll{overflow-x:auto}.emx4315 .load thead th{background:#171a1e;color:#aeb4bd;font-size:9px;text-transform:uppercase;white-space:nowrap}.emx4315 .load td{color:#d8dbe0;font-size:12px;white-space:nowrap}.emx4315 .load td:nth-child(2){white-space:normal;min-width:180px;color:#fff;font-weight:700}.emx4315 .v{color:#ff6a6f!important;font-weight:800}.emx4315 details{background:#0a0c0e;border:1px solid var(--l);margin-top:12px}.emx4315 summary{cursor:pointer;display:flex;justify-content:space-between;padding:18px 19px;color:#fff;font-size:14px;font-weight:800}.emx4315 .bars{display:grid;gap:13px}.emx4315 .bar{display:grid;grid-template-columns:145px 1fr 80px;gap:12px;align-items:center}.emx4315 .track{height:14px;background:#181b1f;border:1px solid #272b31}.emx4315 .fill{height:100%;background:linear-gradient(90deg,var(--rd),var(--r))}.emx4315 .bar strong,.emx4315 .bar em{color:#fff;font-size:13px;font-style:normal}.emx4315 .bar em{text-align:right}.emx4315 .package{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.emx4315 .package div{display:flex;align-items:center;gap:15px;padding:18px 19px;border:1px solid var(--l);background:#0d0f12;color:#d5d8dd;font-size:13px;font-weight:700}.emx4315 .package b{display:grid;place-items:center;flex:0 0 42px;height:42px;color:#fff;background:var(--r)}.emx4315 footer{padding:27px 0;background:#050607;border-top:1px solid var(--l)}.emx4315 footer p{margin:0;color:#707782;font-size:10px}@media(max-width:900px){.emx4315 .kv-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.emx4315 .hero-grid,.emx4315 .spec-layout{grid-template-columns:1fr}.emx4315 .stats{grid-template-columns:repeat(2,1fr)}.emx4315 .features,.emx4315 .package{grid-template-columns:1fr}.emx4315 .heading{display:block}.emx4315 .wrap{padding:0 17px}.emx4315 .section{padding:48px 0}}@media(max-width:500px){.emx4315 .kv-grid{grid-template-columns:1fr}.emx4315 .bar{grid-template-columns:105px 1fr 65px}}\n\u003c\/style\u003e\n\u003csection class=\"hero\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"series\"\u003eECO II SERIES \/ LARGE MULTIROTOR POWER\u003c\/div\u003e\n\u003cdiv class=\"kicker\"\u003eBrushless Motor Platform\u003c\/div\u003e\n\u003ch2\u003eEMAX ECO II \u003cspan\u003e4315\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eThe EMAX ECO II 4315 is a high-efficiency large brushless outrunner for 13- to 15-inch long-range FPV, heavy-lift multirotors and cinematic aircraft. Four windings—360KV, 380KV, 450KV and 520KV—cover published 6S through 8S applications around a 12N14P architecture, M6 propeller shaft and four-hole 30 × 30mm airframe mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hero-side\"\u003e\n\u003cstrong\u003eFour KV options. One 4315 platform.\u003c\/strong\u003e\u003cspan\u003e360KV \/ 380KV \/ 450KV: 6S–8S\u003c\/span\u003e\u003cspan\u003e520KV: 6S\u003c\/span\u003e\u003cspan\u003ePublished propeller range: 13–15 inches\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stats\"\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor weight\u003c\/small\u003e\u003cstrong\u003e245g\u003c\/strong\u003e\u003cspan\u003eIncluding 400mm leads\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor size\u003c\/small\u003e\u003cstrong\u003eØ50.6mm\u003c\/strong\u003e\u003cspan\u003e63.7mm overall length\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMount\u003c\/small\u003e\u003cstrong\u003e30 × 30mm\u003c\/strong\u003e\u003cspan\u003eExactly four M4 holes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e12N14P\u003c\/strong\u003e\u003cspan\u003eLarge outrunner architecture\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_06_06_44_PM.png?v=1787868850\" alt=\"EMAX ECO II 4315 motor for 13- to 15-inch multirotors\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"media-copy\"\u003e\u003cp\u003e\u003cb\u003eFour practical power profiles.\u003c\/b\u003e Official EMAX bench sheets recorded up to 7.962kg of thrust across 360KV, 380KV, 450KV and 520KV windings.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"kicker\"\u003e01 \/ KV Selection\u003c\/div\u003e\n\u003ch3\u003eMatch winding, voltage and propeller load.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003ePublished application guidance and maximum-throttle highlights come from the official ECO II 4315 sheets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kv-grid\"\u003e\n\u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e360\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e6S–8S \/ 13–15-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.2A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e53mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e63.5A \/ 2992W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 7.962kg at 47.09V, GF1308 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n\u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e380\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e6S–8S \/ 13–15-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.3A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e51mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e72.9A \/ 2352W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 7.579kg at 32.27V, HQ1507 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n\u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e450\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e6S–8S \/ 13-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.6A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e43mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e75.4A \/ 2428W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 6.919kg at 32.24V, HQ1308 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n\u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e520\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e6S \/ 13-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.9A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e37mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e74.6A \/ 1792W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 5.420kg at 24.02V, HQ1310 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_06_07_02_PM.png?v=1787868872\" alt=\"EMAX ECO II 4315 KV guide for 360KV, 380KV, 450KV and 520KV\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded thrust by winding.\u003c\/h3\u003e\n\u003cdiv class=\"bars\"\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e360KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:100%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e7.962kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e380KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:95.19%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e7.579kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e450KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:86.90%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e6.919kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e520KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:68.07%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e5.420kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e03 \/ Construction\u003c\/div\u003e\n\u003ch3\u003eLarge-outrunner hardware with precision support.\u003c\/h3\u003e\n\u003cdiv class=\"features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e01 \/ SHAFT\u003c\/div\u003e\n\u003ch4\u003eSteel M6 Shaft\u003c\/h4\u003e\n\u003cp\u003eA CW-threaded M6 propeller interface and 6mm bearing section support the rotating assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e02 \/ ROTOR\u003c\/div\u003e\n\u003ch4\u003eAnodized Rotor Bell\u003c\/h4\u003e\n\u003cp\u003eThe rigid outer bell surrounds a full-height 14-pole permanent-magnet ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e03 \/ STATOR\u003c\/div\u003e\n\u003ch4\u003e12-Slot Wound Stator\u003c\/h4\u003e\n\u003cp\u003eDense multi-strand copper windings form the fixed 12-slot stator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e04 \/ BEARING\u003c\/div\u003e\n\u003ch4\u003ePrecision Bearing\u003c\/h4\u003e\n\u003cp\u003eConcentric bearing support promotes smooth rotation under sustained load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e05 \/ MOUNT\u003c\/div\u003e\n\u003ch4\u003eFour-Hole Mount\u003c\/h4\u003e\n\u003cp\u003eThe 30 × 30mm base has exactly four M4 airframe mounting holes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e06 \/ LEADS\u003c\/div\u003e\n\u003ch4\u003e400mm 16 AWG Leads\u003c\/h4\u003e\n\u003cp\u003eLong silicone motor leads provide routing flexibility in large aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_06_06_56_PM.png?v=1787868861\" alt=\"Exploded ECO II 4315 showing M6 shaft, full-height magnet ring, stator, bearing and four-hole mount\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e04 \/ Mechanical Data\u003c\/div\u003e\n\u003ch3\u003e4315 geometry and installation details.\u003c\/h3\u003e\n\u003cdiv class=\"spec-layout\"\u003e\n\u003ctable class=\"spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eEMAX ECO II 4315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e12N14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor diameter\u003c\/th\u003e\n\u003ctd\u003eØ50.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall length\u003c\/th\u003e\n\u003ctd\u003e63.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e245g with wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003eØ6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 CW thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30mm, four M4 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor leads\u003c\/th\u003e\n\u003ctd\u003e400mm 16 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller range\u003c\/th\u003e\n\u003ctd\u003e13–15 inches, KV-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eOne platform, \u003cspan\u003efour power profiles.\u003c\/span\u003e\u003c\/strong\u003e\u003cp\u003eThe shared 4315 package lets builders select a winding without changing the four-hole airframe interface.\u003c\/p\u003e\n\u003cp\u003eThe official drawing specifies 50.6mm diameter, 63.7mm overall length and a 30 × 30mm four-M4 mounting pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cb style=\"color:#fff\"\u003eInstallation:\u003c\/b\u003e Confirm frame clearance, screw engagement, propeller retention, ESC headroom and cooling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_06_07_09_PM.png?v=1787868882\" alt=\"EMAX ECO II 4315 12N14P motor platform for 13- to 15-inch FPV aircraft\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific published limits.\u003c\/h3\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle current\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak current\u003c\/th\u003e\n\u003cth\u003eMax power\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e360KV\u003c\/td\u003e\n\u003ctd\u003e6S–8S\u003c\/td\u003e\n\u003ctd\u003e13–15\"\u003c\/td\u003e\n\u003ctd\u003e1.2A @ 10V\u003c\/td\u003e\n\u003ctd\u003e53mΩ\u003c\/td\u003e\n\u003ctd\u003e63.5A\u003c\/td\u003e\n\u003ctd\u003e2992W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e380KV\u003c\/td\u003e\n\u003ctd\u003e6S–8S\u003c\/td\u003e\n\u003ctd\u003e13–15\"\u003c\/td\u003e\n\u003ctd\u003e1.3A @ 10V\u003c\/td\u003e\n\u003ctd\u003e51mΩ\u003c\/td\u003e\n\u003ctd\u003e72.9A\u003c\/td\u003e\n\u003ctd\u003e2352W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e450KV\u003c\/td\u003e\n\u003ctd\u003e6S–8S\u003c\/td\u003e\n\u003ctd\u003e13\"\u003c\/td\u003e\n\u003ctd\u003e1.6A @ 10V\u003c\/td\u003e\n\u003ctd\u003e43mΩ\u003c\/td\u003e\n\u003ctd\u003e75.4A\u003c\/td\u003e\n\u003ctd\u003e2428W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e520KV\u003c\/td\u003e\n\u003ctd\u003e6S\u003c\/td\u003e\n\u003ctd\u003e13\"\u003c\/td\u003e\n\u003ctd\u003e1.9A @ 10V\u003c\/td\u003e\n\u003ctd\u003e37mΩ\u003c\/td\u003e\n\u003ctd\u003e74.6A\u003c\/td\u003e\n\u003ctd\u003e1792W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e06 \/ Bench Data\u003c\/div\u003e\n\u003ch3\u003eMaximum-throttle load-test highlights.\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e360KV test highlights\u003c\/span\u003e\u003cspan\u003eThree propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.09V\u003c\/td\u003e\n\u003ctd\u003eGF1308, 3-blade\u003c\/td\u003e\n\u003ctd\u003e63.53A\u003c\/td\u003e\n\u003ctd\u003e7,962g\u003c\/td\u003e\n\u003ctd\u003e2991.63W\u003c\/td\u003e\n\u003ctd\u003e2.66g\/W\u003c\/td\u003e\n\u003ctd\u003e13,305\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.53V\u003c\/td\u003e\n\u003ctd\u003eHQ1310, 3-blade\u003c\/td\u003e\n\u003ctd\u003e54.20A\u003c\/td\u003e\n\u003ctd\u003e5,665g\u003c\/td\u003e\n\u003ctd\u003e1763.13W\u003c\/td\u003e\n\u003ctd\u003e3.21g\/W\u003c\/td\u003e\n\u003ctd\u003e8,777\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.41V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e61.20A\u003c\/td\u003e\n\u003ctd\u003e7,032g\u003c\/td\u003e\n\u003ctd\u003e1983.49W\u003c\/td\u003e\n\u003ctd\u003e3.55g\/W\u003c\/td\u003e\n\u003ctd\u003e8,537\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e380KV test highlights\u003c\/span\u003e\u003cspan\u003eThree propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.37V\u003c\/td\u003e\n\u003ctd\u003eHQ1310, 3-blade\u003c\/td\u003e\n\u003ctd\u003e65.20A\u003c\/td\u003e\n\u003ctd\u003e6,198g\u003c\/td\u003e\n\u003ctd\u003e2110.52W\u003c\/td\u003e\n\u003ctd\u003e2.94g\/W\u003c\/td\u003e\n\u003ctd\u003e9,176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.46V\u003c\/td\u003e\n\u003ctd\u003eGF1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e58.80A\u003c\/td\u003e\n\u003ctd\u003e6,390g\u003c\/td\u003e\n\u003ctd\u003e1908.65W\u003c\/td\u003e\n\u003ctd\u003e3.35g\/W\u003c\/td\u003e\n\u003ctd\u003e9,392\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e32.27V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e72.90A\u003c\/td\u003e\n\u003ctd\u003e7,579g\u003c\/td\u003e\n\u003ctd\u003e2352.48W\u003c\/td\u003e\n\u003ctd\u003e3.22g\/W\u003c\/td\u003e\n\u003ctd\u003e8,829\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e450KV test highlights\u003c\/span\u003e\u003cspan\u003eTwo propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e32.24V\u003c\/td\u003e\n\u003ctd\u003eHQ1308, 3-blade\u003c\/td\u003e\n\u003ctd\u003e68.80A\u003c\/td\u003e\n\u003ctd\u003e6,919g\u003c\/td\u003e\n\u003ctd\u003e2218.11W\u003c\/td\u003e\n\u003ctd\u003e3.12g\/W\u003c\/td\u003e\n\u003ctd\u003e10,598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.20V\u003c\/td\u003e\n\u003ctd\u003eHQ1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e75.40A\u003c\/td\u003e\n\u003ctd\u003e6,720g\u003c\/td\u003e\n\u003ctd\u003e2427.88W\u003c\/td\u003e\n\u003ctd\u003e2.77g\/W\u003c\/td\u003e\n\u003ctd\u003e10,393\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e520KV test highlights\u003c\/span\u003e\u003cspan\u003eThree propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e24.31V\u003c\/td\u003e\n\u003ctd\u003eHQ1308, 3-blade\u003c\/td\u003e\n\u003ctd\u003e58.94A\u003c\/td\u003e\n\u003ctd\u003e5,268g\u003c\/td\u003e\n\u003ctd\u003e1432.83W\u003c\/td\u003e\n\u003ctd\u003e3.68g\/W\u003c\/td\u003e\n\u003ctd\u003e9,371\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24.19V\u003c\/td\u003e\n\u003ctd\u003eHQ1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e62.70A\u003c\/td\u003e\n\u003ctd\u003e5,079g\u003c\/td\u003e\n\u003ctd\u003e1516.71W\u003c\/td\u003e\n\u003ctd\u003e3.35g\/W\u003c\/td\u003e\n\u003ctd\u003e9,151\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e24.02V\u003c\/td\u003e\n\u003ctd\u003eHQ1310, 3-blade\u003c\/td\u003e\n\u003ctd\u003e74.61A\u003c\/td\u003e\n\u003ctd\u003e5,420g\u003c\/td\u003e\n\u003ctd\u003e1792.13W\u003c\/td\u003e\n\u003ctd\u003e3.02g\/W\u003c\/td\u003e\n\u003ctd\u003e8,629\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_06_07_13_PM.png?v=1787868894\" alt=\"EMAX ECO II 4315 package with four M4 by 12 millimeter screws and one M6 nylock nut\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e07 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eMotor and mounting hardware included.\u003c\/h3\u003e\n\u003cdiv class=\"package\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e1×\u003c\/b\u003eEMAX ECO II 4315 brushless motor\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e4×\u003c\/b\u003eM4 × 12mm mounting screws\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1×\u003c\/b\u003eSteel M6 nylock nut\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003cfooter\u003e\u003cdiv class=\"wrap\"\u003e\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance figures are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. The official product guide publishes 6S–8S applications; the bench tables above reproduce the measured voltages printed on the official load-test sheets.\u003c\/p\u003e\u003c\/div\u003e\u003c\/footer\u003e\n\u003c\/div\u003e\n","brand":"Emax USA","offers":[{"title":"360KV","offer_id":48192614596844,"sku":null,"price":38.99,"currency_code":"USD","in_stock":false},{"title":"380KV","offer_id":48192614629612,"sku":null,"price":38.99,"currency_code":"USD","in_stock":false},{"title":"450KV","offer_id":48192614662380,"sku":null,"price":38.99,"currency_code":"USD","in_stock":false},{"title":"520KV","offer_id":48192614695148,"sku":null,"price":38.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/4315-360KV_5.jpg?v=1787084370"},{"product_id":"emax-ecoii-4320-brushless-motor","title":"EMAX ECOII 4320 Brushless Motor","description":"\u003cdiv class=\"emx4320\"\u003e\n  \u003cstyle\u003e\n    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.fill{height:100%;background:linear-gradient(90deg,var(--rd),var(--r))}.emx4320 .bar strong,.emx4320 .bar em{color:#fff;font-size:13px;font-style:normal}.emx4320 .bar em{text-align:right}.emx4320 .package{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.emx4320 .package div{display:flex;align-items:center;gap:15px;padding:18px 19px;border:1px solid var(--l);background:#0d0f12;color:#d5d8dd;font-size:13px;font-weight:700}.emx4320 .package b{display:grid;place-items:center;flex:0 0 42px;height:42px;color:#fff;background:var(--r)}.emx4320 footer{padding:27px 0;background:#050607;border-top:1px solid var(--l)}.emx4320 footer p{margin:0;color:#707782;font-size:10px}@media(max-width:900px){.emx4320 .kv-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.emx4320 .hero-grid,.emx4320 .spec-layout{grid-template-columns:1fr}.emx4320 .stats{grid-template-columns:repeat(2,1fr)}.emx4320 .features,.emx4320 .package{grid-template-columns:1fr}.emx4320 .heading{display:block}.emx4320 .wrap{padding:0 17px}.emx4320 .section{padding:48px 0}}@media(max-width:500px){.emx4320 .kv-grid{grid-template-columns:1fr}.emx4320 .bar{grid-template-columns:105px 1fr 65px;gap:8px}}\n  \u003c\/style\u003e\n\n  \u003csection class=\"hero\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"series\"\u003eECO II SERIES \/ LARGE MULTIROTOR POWER\u003c\/div\u003e\n\u003cdiv class=\"kicker\"\u003eBrushless Motor Platform\u003c\/div\u003e\n\u003ch2\u003eEMAX ECO II \u003cspan\u003e4320\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eThe EMAX ECO II 4320 is a large-format brushless outrunner for 13- to 15-inch FPV, long-range and heavy-lift multirotors. Four windings—350KV, 380KV, 420KV and 500KV—cover 6S through 12S systems around a 12N14P architecture, M6 propeller shaft and four-hole 30 × 30mm airframe mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hero-side\"\u003e\n\u003cstrong\u003eFour KV options. One 4320 platform.\u003c\/strong\u003e\u003cspan\u003e350KV \/ 380KV: 8S–12S\u003c\/span\u003e\u003cspan\u003e420KV: 8S\u003c\/span\u003e\u003cspan\u003e500KV: 6S\u003c\/span\u003e\u003cspan\u003ePublished propeller range: 13–15 inches\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stats\"\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor weight\u003c\/small\u003e\u003cstrong\u003e298g\u003c\/strong\u003e\u003cspan\u003eIncluding 400mm leads\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor size\u003c\/small\u003e\u003cstrong\u003eØ50.6mm\u003c\/strong\u003e\u003cspan\u003e68.7mm overall length\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMount\u003c\/small\u003e\u003cstrong\u003e30 × 30mm\u003c\/strong\u003e\u003cspan\u003eExactly four M4 holes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e12N14P\u003c\/strong\u003e\u003cspan\u003eLarge outrunner architecture\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-ac42f37d-347c-4b2c-81f1-0760755f4287.png?v=1787862874\" alt=\"EMAX ECO II 4320 brushless motor for 13- to 15-inch multirotors\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"media-copy\"\u003e\u003cp\u003e\u003cb\u003eLarge-prop power across four windings.\u003c\/b\u003e Official EMAX bench sheets recorded up to 9.281kg of thrust, while the 350KV through 500KV range supports 6S–12S aircraft configurations.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"kicker\"\u003e01 \/ KV Selection\u003c\/div\u003e\n\u003ch3\u003eMatch winding, voltage and propeller load.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eElectrical limits and bench highlights come from the official ECO II 4320 specification and load-test sheets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kv-grid\"\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e350\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S–12S \/ 13–15-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.5A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e47mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e82.1A \/ 3847W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 9.281kg at 47.04V, HQ1308 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e380\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S–12S \/ 13–15-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.7A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e44mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e69.3A \/ 3274W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 8.507kg at 47.24V, GF1308 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e420\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S \/ 13–15-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.9A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e39mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e82.5A \/ 2556W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 8.243kg at 30.96V, HQ1507 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e500\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e6S \/ 15-inch props\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e2.8A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e30mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e74.7A \/ 1797W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 6.490kg at 24.05V, HQ1507 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-faf96c71-118c-496f-b7f2-c064110857d6.png?v=1787862885\" alt=\"EMAX ECO II 4320 KV guide for 350KV, 380KV, 420KV and 500KV windings\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded thrust by winding.\u003c\/h3\u003e\n\u003cdiv class=\"bars\"\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e350KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:100%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e9.281kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e380KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:91.66%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e8.507kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e420KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:88.82%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e8.243kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e500KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:69.93%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e6.490kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:11px;margin-top:16px\"\u003eConfiguration-dependent maximum-throttle bench results from official EMAX load-test sheets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e03 \/ Construction\u003c\/div\u003e\n\u003ch3\u003eLarge-outrunner hardware with precision support.\u003c\/h3\u003e\n\u003cdiv class=\"features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e01 \/ SHAFT\u003c\/div\u003e\n\u003ch4\u003eSteel M6 Shaft\u003c\/h4\u003e\n\u003cp\u003eA CW-threaded M6 propeller interface and 6mm bearing section support the rotating assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e02 \/ ROTOR\u003c\/div\u003e\n\u003ch4\u003eAnodized Rotor Bell\u003c\/h4\u003e\n\u003cp\u003eThe rigid outer bell surrounds a full-height 14-pole permanent-magnet ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e03 \/ STATOR\u003c\/div\u003e\n\u003ch4\u003e12-Slot Wound Stator\u003c\/h4\u003e\n\u003cp\u003eDense multi-strand copper windings form the fixed 12-slot stator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e04 \/ BEARING\u003c\/div\u003e\n\u003ch4\u003ePrecision Bearing\u003c\/h4\u003e\n\u003cp\u003eConcentric bearing support promotes smooth rotation under sustained load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e05 \/ MOUNT\u003c\/div\u003e\n\u003ch4\u003eFour-Hole Mount\u003c\/h4\u003e\n\u003cp\u003eThe 30 × 30mm base has exactly four M4 airframe mounting holes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e06 \/ LEADS\u003c\/div\u003e\n\u003ch4\u003e400mm 16 AWG Leads\u003c\/h4\u003e\n\u003cp\u003eLong silicone motor leads provide routing flexibility in large aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-5b0fc3d5-8190-43c3-8021-cf0093a0e5b9.png?v=1787862775\" alt=\"Exploded ECO II 4320 motor showing steel shaft, full-height magnet ring, wound stator, precision bearing and four-hole mount\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e04 \/ Mechanical Data\u003c\/div\u003e\n\u003ch3\u003e4320 geometry and installation details.\u003c\/h3\u003e\n\u003cdiv class=\"spec-layout\"\u003e\n\u003ctable class=\"spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eEMAX ECO II 4320\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e12N14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor diameter\u003c\/th\u003e\n\u003ctd\u003eØ50.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall length\u003c\/th\u003e\n\u003ctd\u003e68.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e298g with wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003eØ6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 CW thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30mm, four M4 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor leads\u003c\/th\u003e\n\u003ctd\u003e400mm 16 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller range\u003c\/th\u003e\n\u003ctd\u003e13–15 inches, KV-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eOne platform, \u003cspan\u003efour power profiles.\u003c\/span\u003e\u003c\/strong\u003e\u003cp\u003eThe shared 4320 mechanical package lets builders choose voltage and winding without changing the four-hole airframe interface.\u003c\/p\u003e\n\u003cp\u003eThe official drawing specifies 50.6mm diameter, 68.7mm overall length and a 30 × 30mm four-M4 mounting pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cb style=\"color:#fff\"\u003eInstallation note:\u003c\/b\u003e Confirm frame clearance, screw engagement, propeller retention, ESC headroom and cooling before operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-81707a10-2e08-497c-a867-167dfbbb48d1.png?v=1787862806\" alt=\"EMAX ECO II 4320 12N14P motor platform for 13- to 15-inch FPV aircraft\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific published limits.\u003c\/h3\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle current\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak current\u003c\/th\u003e\n\u003cth\u003eMax power\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e350KV\u003c\/td\u003e\n\u003ctd\u003e8S–12S\u003c\/td\u003e\n\u003ctd\u003e13–15\"\u003c\/td\u003e\n\u003ctd\u003e1.5A @ 10V\u003c\/td\u003e\n\u003ctd\u003e47mΩ\u003c\/td\u003e\n\u003ctd\u003e82.1A\u003c\/td\u003e\n\u003ctd\u003e3847W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e380KV\u003c\/td\u003e\n\u003ctd\u003e8S–12S\u003c\/td\u003e\n\u003ctd\u003e13–15\"\u003c\/td\u003e\n\u003ctd\u003e1.7A @ 10V\u003c\/td\u003e\n\u003ctd\u003e44mΩ\u003c\/td\u003e\n\u003ctd\u003e69.3A\u003c\/td\u003e\n\u003ctd\u003e3274W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e420KV\u003c\/td\u003e\n\u003ctd\u003e8S\u003c\/td\u003e\n\u003ctd\u003e13–15\"\u003c\/td\u003e\n\u003ctd\u003e1.9A @ 10V\u003c\/td\u003e\n\u003ctd\u003e39mΩ\u003c\/td\u003e\n\u003ctd\u003e82.5A\u003c\/td\u003e\n\u003ctd\u003e2556W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e500KV\u003c\/td\u003e\n\u003ctd\u003e6S\u003c\/td\u003e\n\u003ctd\u003e15\"\u003c\/td\u003e\n\u003ctd\u003e2.8A @ 10V\u003c\/td\u003e\n\u003ctd\u003e30mΩ\u003c\/td\u003e\n\u003ctd\u003e74.7A\u003c\/td\u003e\n\u003ctd\u003e1797W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e06 \/ Bench Data\u003c\/div\u003e\n\u003ch3\u003eMaximum-throttle load-test highlights.\u003c\/h3\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e350KV load-test highlights\u003c\/span\u003e\u003cspan\u003e13–15-inch propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.04V\u003c\/td\u003e\n\u003ctd\u003eHQ1308, 3-blade\u003c\/td\u003e\n\u003ctd\u003e75.73A\u003c\/td\u003e\n\u003ctd\u003e9,281g\u003c\/td\u003e\n\u003ctd\u003e3562.34W\u003c\/td\u003e\n\u003ctd\u003e2.61g\/W\u003c\/td\u003e\n\u003ctd\u003e12,303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e46.86V\u003c\/td\u003e\n\u003ctd\u003eHQ1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e82.10A\u003c\/td\u003e\n\u003ctd\u003e8,845g\u003c\/td\u003e\n\u003ctd\u003e3847.21W\u003c\/td\u003e\n\u003ctd\u003e2.30g\/W\u003c\/td\u003e\n\u003ctd\u003e12,046\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e47.06V\u003c\/td\u003e\n\u003ctd\u003eGF1310, 3-blade\u003c\/td\u003e\n\u003ctd\u003e72.80A\u003c\/td\u003e\n\u003ctd\u003e8,410g\u003c\/td\u003e\n\u003ctd\u003e3425.97W\u003c\/td\u003e\n\u003ctd\u003e2.45g\/W\u003c\/td\u003e\n\u003ctd\u003e12,375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.68V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e56.60A\u003c\/td\u003e\n\u003ctd\u003e7,104g\u003c\/td\u003e\n\u003ctd\u003e1849.69W\u003c\/td\u003e\n\u003ctd\u003e3.84g\/W\u003c\/td\u003e\n\u003ctd\u003e8,582\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.50V\u003c\/td\u003e\n\u003ctd\u003eHQ1510, 3-blade\u003c\/td\u003e\n\u003ctd\u003e62.80A\u003c\/td\u003e\n\u003ctd\u003e7,092g\u003c\/td\u003e\n\u003ctd\u003e2041.00W\u003c\/td\u003e\n\u003ctd\u003e3.47g\/W\u003c\/td\u003e\n\u003ctd\u003e8,326\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e380KV load-test highlights\u003c\/span\u003e\u003cspan\u003e13–15-inch propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.49V\u003c\/td\u003e\n\u003ctd\u003eGF1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e55.14A\u003c\/td\u003e\n\u003ctd\u003e6,214g\u003c\/td\u003e\n\u003ctd\u003e1791.50W\u003c\/td\u003e\n\u003ctd\u003e3.47g\/W\u003c\/td\u003e\n\u003ctd\u003e9,354\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.36V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e67.36A\u003c\/td\u003e\n\u003ctd\u003e7,627g\u003c\/td\u003e\n\u003ctd\u003e2179.77W\u003c\/td\u003e\n\u003ctd\u003e3.50g\/W\u003c\/td\u003e\n\u003ctd\u003e8,921\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.24V\u003c\/td\u003e\n\u003ctd\u003eGF1308, 3-blade\u003c\/td\u003e\n\u003ctd\u003e69.30A\u003c\/td\u003e\n\u003ctd\u003e8,507g\u003c\/td\u003e\n\u003ctd\u003e3273.73W\u003c\/td\u003e\n\u003ctd\u003e2.60g\/W\u003c\/td\u003e\n\u003ctd\u003e13,623\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e420KV load-test highlights\u003c\/span\u003e\u003cspan\u003e8S \/ 13–15-inch propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e31.23V\u003c\/td\u003e\n\u003ctd\u003eHQ1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e62.46A\u003c\/td\u003e\n\u003ctd\u003e6,104g\u003c\/td\u003e\n\u003ctd\u003e1950.63W\u003c\/td\u003e\n\u003ctd\u003e3.13g\/W\u003c\/td\u003e\n\u003ctd\u003e9,924\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e30.96V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e82.57A\u003c\/td\u003e\n\u003ctd\u003e8,243g\u003c\/td\u003e\n\u003ctd\u003e2556.37W\u003c\/td\u003e\n\u003ctd\u003e3.22g\/W\u003c\/td\u003e\n\u003ctd\u003e9,267\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32.46V\u003c\/td\u003e\n\u003ctd\u003e1507, 2-blade\u003c\/td\u003e\n\u003ctd\u003e60.82A\u003c\/td\u003e\n\u003ctd\u003e7,032g\u003c\/td\u003e\n\u003ctd\u003e1974.22W\u003c\/td\u003e\n\u003ctd\u003e3.56g\/W\u003c\/td\u003e\n\u003ctd\u003e10,395\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e500KV load-test highlights\u003c\/span\u003e\u003cspan\u003e6S \/ 15-inch propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e24.37V\u003c\/td\u003e\n\u003ctd\u003e1507, 2-blade\u003c\/td\u003e\n\u003ctd\u003e52.90A\u003c\/td\u003e\n\u003ctd\u003e5,247g\u003c\/td\u003e\n\u003ctd\u003e1289.17W\u003c\/td\u003e\n\u003ctd\u003e4.07g\/W\u003c\/td\u003e\n\u003ctd\u003e9,162\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24.16V\u003c\/td\u003e\n\u003ctd\u003e1510, 2-blade\u003c\/td\u003e\n\u003ctd\u003e69.38A\u003c\/td\u003e\n\u003ctd\u003e5,510g\u003c\/td\u003e\n\u003ctd\u003e1676.22W\u003c\/td\u003e\n\u003ctd\u003e3.29g\/W\u003c\/td\u003e\n\u003ctd\u003e8,558\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e24.05V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e74.70A\u003c\/td\u003e\n\u003ctd\u003e6,490g\u003c\/td\u003e\n\u003ctd\u003e1796.54W\u003c\/td\u003e\n\u003ctd\u003e3.61g\/W\u003c\/td\u003e\n\u003ctd\u003e8,345\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24.11V\u003c\/td\u003e\n\u003ctd\u003eGF1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e71.54A\u003c\/td\u003e\n\u003ctd\u003e5,971g\u003c\/td\u003e\n\u003ctd\u003e1724.83W\u003c\/td\u003e\n\u003ctd\u003e3.46g\/W\u003c\/td\u003e\n\u003ctd\u003e8,437\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-6c2456b3-b011-4210-b30f-2a917daeedbe.png?v=1787862796\" alt=\"EMAX ECO II 4320 package with four M4 by 12 millimeter screws and one steel M6 nylock nut\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e07 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eMotor and mounting hardware included.\u003c\/h3\u003e\n\u003cdiv class=\"package\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e1×\u003c\/b\u003eEMAX ECO II 4320 brushless motor\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e4×\u003c\/b\u003eM4 × 12mm mounting screws\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1×\u003c\/b\u003eSteel M6 nylock nut\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n  \u003cfooter\u003e\u003cdiv class=\"wrap\"\u003e\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance figures are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. Confirm the selected motor, propeller, ESC, battery and cooling for the complete aircraft.\u003c\/p\u003e\u003c\/div\u003e\u003c\/footer\u003e\n\u003c\/div\u003e\n","brand":"Emax USA","offers":[{"title":"350KV","offer_id":48192621576428,"sku":null,"price":40.99,"currency_code":"USD","in_stock":false},{"title":"380KV","offer_id":48192621609196,"sku":null,"price":40.99,"currency_code":"USD","in_stock":false},{"title":"420KV","offer_id":48192621641964,"sku":null,"price":40.99,"currency_code":"USD","in_stock":false},{"title":"500KV","offer_id":48192621674732,"sku":null,"price":40.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/4320-350KV_3.jpg?v=1787084129"},{"product_id":"emax-ecoii-4215-brushless-motor","title":"EMAX ECOII 4215 Brushless Motor","description":"\u003cdiv class=\"emx4215\"\u003e\n  \u003cstyle\u003e\n    .emx4215{\n      --emx-red:#e31b23;\n      --emx-red-dark:#8d0f15;\n      --emx-black:#070809;\n     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.emx-swipe{display:none;color:#8e959e;font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:9px 17px;background:#090a0c;border-top:1px solid #1b1e22}\n    @media (max-width:900px){\n      .emx4215 .emx-hero-grid,.emx4215 .emx-spec-layout{grid-template-columns:1fr}\n      .emx4215 .emx-hero-side{max-width:540px}\n      .emx4215 .emx-stat-grid{grid-template-columns:repeat(2,1fr)}\n      .emx4215 .emx-kv-grid{grid-template-columns:1fr}\n      .emx4215 .emx-kv-card{min-height:0}\n      .emx4215 .emx-feature-grid{grid-template-columns:repeat(2,1fr)}\n      .emx4215 .emx-heading-row{display:block}\n      .emx4215 .emx-heading-row p{max-width:720px}\n    }\n    @media (max-width:620px){\n      .emx4215 .emx-wrap{padding:0 17px}\n      .emx4215 .emx-media-copy{padding:18px 17px 23px}\n      .emx4215 .emx-media-frame.emx-media-detail{overflow-x:auto;-webkit-overflow-scrolling:touch}\n      .emx4215 .emx-media-frame.emx-media-detail img{width:900px;max-width:none}\n      .emx4215 .emx-media-detail + .emx-swipe{display:block}\n      .emx4215 .emx-section{padding:48px 0}\n      .emx4215 .emx-hero{padding:54px 0 42px}\n      .emx4215 .emx-stat-grid{grid-template-columns:1fr 1fr}\n      .emx4215 .emx-stat{min-height:104px;padding:17px 15px}\n      .emx4215 .emx-stat strong{font-size:23px}\n      .emx4215 .emx-feature-grid{grid-template-columns:1fr}\n      .emx4215 .emx-bar-row{grid-template-columns:118px minmax(90px,1fr) 65px;gap:8px}\n      .emx4215 .emx-bar-label{display:block}\n      .emx4215 .emx-bar-label span{display:block;margin-top:1px}\n      .emx4215 .emx-package{grid-template-columns:1fr}\n      .emx4215 .emx-details summary{align-items:flex-start;flex-wrap:wrap}\n      .emx4215 .emx-details .emx-meta{margin-left:0;width:calc(100% - 30px)}\n    }\n  \u003c\/style\u003e\n\n  \u003csection class=\"emx-hero\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-hero-grid\"\u003e\n        \u003cdiv\u003e\n          \u003cdiv class=\"emx-series\"\u003e\n\u003cb\u003eECO II SERIES\u003c\/b\u003e \/ LARGE MULTIROTOR POWER\u003c\/div\u003e\n          \u003cdiv class=\"emx-kicker\"\u003eBrushless Motor Platform\u003c\/div\u003e\n          \u003ch2\u003eEMAX ECO II \u003cspan\u003e4215\u003c\/span\u003e\n\u003c\/h2\u003e\n          \u003cp class=\"emx-lede\"\u003eThe EMAX ECO II 4215 is a high-output brushless motor platform for 13-inch multirotor propellers. Four winding options—350KV, 420KV, 520KV and 660KV—cover 6S through 12S power systems, while the 12N14P architecture, 49.1mm diameter, 65.35mm length, M6 threaded propeller shaft and 30 × 30mm mounting pattern provide a practical foundation for large multirotor propulsion.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"emx-hero-side\"\u003e\n          \u003cstrong\u003eFour KV options. One 4215 platform.\u003c\/strong\u003e\n          \u003cspan\u003e350KV for 6S–12S high-voltage systems.\u003c\/span\u003e\n          \u003cspan\u003e420KV for 6S–10S power systems.\u003c\/span\u003e\n          \u003cspan\u003e520KV for 6S–8S configurations.\u003c\/span\u003e\n          \u003cspan\u003e660KV for responsive 6S configurations.\u003c\/span\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"emx-stat-grid\" aria-label=\"EMAX ECO II 4215 key specifications\"\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eMotor weight\u003c\/small\u003e\u003cstrong\u003e209–210g\u003c\/strong\u003e\u003cspan\u003eExcluding silicone wire\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eSystem range\u003c\/small\u003e\u003cstrong\u003e6S–12S\u003c\/strong\u003e\u003cspan\u003eKV-dependent battery support\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003ePropeller\u003c\/small\u003e\u003cstrong\u003e13\"\u003c\/strong\u003e\u003cspan\u003ePublished platform specification\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e12N14P\u003c\/strong\u003e\u003cspan\u003eLarge outrunner architecture\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 4215 motor infographic showing high-voltage operation, tested thrust and four KV options\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-6601f46f-d388-413a-b310-66e3e4f8f1f6.png?v=1787766817\" alt=\"EMAX ECO II 4215 brushless motor for 13-inch multirotors with 350KV, 420KV, 520KV and 660KV options\" loading=\"eager\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003eHigh-voltage 13-inch propulsion.\u003c\/b\u003e The 350KV configuration supports up to 12S, and the supplied 48V bench test recorded as much as 8.13kg of thrust with an HQ 1309 three-blade propeller.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n        \u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e01 \/ KV Selection\u003c\/div\u003e\n\u003ch3\u003eMatch voltage and winding to the aircraft.\u003c\/h3\u003e\n\u003c\/div\u003e\n        \u003cp\u003ePublished electrical limits come from the supplied EMAX specification workbook. Tested thrust values are the highest recorded values in the matching load-test workbooks.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"emx-kv-grid\"\u003e\n        \u003carticle class=\"emx-kv-card\"\u003e\n          \u003cdiv class=\"emx-num\"\u003e350\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e6S–12S \/ 13-inch propeller\u003cbr\u003eLowest-KV option for the widest voltage range.\u003c\/div\u003e\n          \u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e71A @ 12S\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e3408W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e62mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.0A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 8.13kg thrust at 48V with HQ 1309 three-blade; 70.7A \/ 3393.6W.\u003c\/div\u003e\n        \u003c\/article\u003e\n        \u003carticle class=\"emx-kv-card\"\u003e\n          \u003cdiv class=\"emx-num\"\u003e420\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e6S–10S \/ 13-inch propeller\u003cbr\u003eBalanced high-voltage option for large multirotors.\u003c\/div\u003e\n          \u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e81A @ 10S\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e3240W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e49mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.2A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 7.84kg thrust at 40V with HQ 1309 three-blade; 80.6A \/ 3224W.\u003c\/div\u003e\n        \u003c\/article\u003e\n        \u003carticle class=\"emx-kv-card\"\u003e\n          \u003cdiv class=\"emx-num\"\u003e520\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e6S–8S \/ 13-inch propeller\u003cbr\u003eHigher-RPM option for medium-voltage systems.\u003c\/div\u003e\n          \u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e75A @ 8S\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e2400W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e38mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.9A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 6.35kg thrust at 32V with HQ 1309 three-blade; 73.9A \/ 2364.8W.\u003c\/div\u003e\n        \u003c\/article\u003e\n        \u003carticle class=\"emx-kv-card\"\u003e\n          \u003cdiv class=\"emx-num\"\u003e660\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e6S \/ 13-inch propeller\u003cbr\u003eHighest-KV winding for dedicated 6S systems.\u003c\/div\u003e\n          \u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e90A @ 6S\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e2250W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e26mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e2.3A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 5.98kg thrust at 25V with HQ 1309 three-blade; 85.3A \/ 2132.5W.\u003c\/div\u003e\n        \u003c\/article\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 4215 KV guide comparing cell count and tested thrust for all four motor windings\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame emx-media-detail\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-59131ede-3647-4599-a0d1-13f72fe82326.png?v=1787766817\" alt=\"EMAX ECO II 4215 KV selection guide for 350KV, 420KV, 520KV and 660KV motors with 13-inch propellers\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-swipe\"\u003eSwipe horizontally to compare all four KV options\u003c\/div\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003eChoose from the complete aircraft backward.\u003c\/b\u003e Match motor KV to battery voltage, propeller load, ESC rating, aircraft mass, airflow and required thrust. Published ranges are selection guidance; validate the final power system under realistic thermal conditions.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\" style=\"background:#090b0d\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n        \u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum tested thrust by KV.\u003c\/h3\u003e\n\u003c\/div\u003e\n        \u003cp\u003eEach bar shows the highest thrust recorded in the supplied test workbook for that winding. All bars share an 8.13kg scale.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"emx-bars\" aria-label=\"Maximum tested thrust for each EMAX ECO II 4215 KV option\"\u003e\n        \u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e350KV\u003c\/strong\u003e\u003cspan\u003e48V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\u003cdiv class=\"emx-fill\" style=\"width:100%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e8.13kg\u003c\/div\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e420KV\u003c\/strong\u003e\u003cspan\u003e40V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\u003cdiv class=\"emx-fill\" style=\"width:96.4%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e7.84kg\u003c\/div\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e520KV\u003c\/strong\u003e\u003cspan\u003e32V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\u003cdiv class=\"emx-fill\" style=\"width:78.1%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e6.35kg\u003c\/div\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e660KV\u003c\/strong\u003e\u003cspan\u003e25V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\u003cdiv class=\"emx-fill\" style=\"width:73.6%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e5.98kg\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cp class=\"emx-caption\"\u003eMaximum values above were recorded with an HQ 1309 three-blade propeller. Bench results are configuration-dependent and are not guaranteed aircraft-level performance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-kicker\"\u003e03 \/ Construction\u003c\/div\u003e\n\u003ch3\u003ePractical hardware for sustained multirotor loads.\u003c\/h3\u003e\n      \u003cdiv class=\"emx-feature-grid\"\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e01 \/ SHAFT\u003c\/div\u003e\n\u003ch4\u003eSteel Shaft\u003c\/h4\u003e\n\u003cp\u003eSteel shaft construction supports the long M6 threaded propeller interface used by the 4215 platform.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e02 \/ FINISH\u003c\/div\u003e\n\u003ch4\u003eAnodized Structure\u003c\/h4\u003e\n\u003cp\u003eAnodized metal surfaces provide a durable finish for regular installation and service.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e03 \/ MOUNT\u003c\/div\u003e\n\u003ch4\u003e30 × 30mm Pattern\u003c\/h4\u003e\n\u003cp\u003eA four-hole 30 × 30mm mounting pattern provides a defined mechanical interface for the airframe.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e04 \/ WINDING\u003c\/div\u003e\n\u003ch4\u003eMulti-Strand Winding\u003c\/h4\u003e\n\u003cp\u003eMulti-strand winding is specified for the high-current operating range of this large outrunner.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e05 \/ BEARING\u003c\/div\u003e\n\u003ch4\u003ePrecision Bearing\u003c\/h4\u003e\n\u003cp\u003ePrecision bearing hardware supports smooth rotation under sustained propeller load.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e06 \/ LEADS\u003c\/div\u003e\n\u003ch4\u003e300mm 16 AWG Wire\u003c\/h4\u003e\n\u003cp\u003eLong silicone motor leads provide routing flexibility during large-airframe power-system installation.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"Exploded EMAX ECO II 4215 construction diagram\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame emx-media-detail\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_26_2026_01_52_50_PM.png?v=1787766817\" alt=\"Exploded EMAX ECO II 4215 outer-rotor motor showing the steel M6 shaft, anodized rotor bell, full-height 14-pole magnet ring, 12-slot wound stator, precision bearing and 30 by 30 millimeter motor mount\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-swipe\"\u003eSwipe horizontally to inspect the component callouts\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\" style=\"background:#090b0d\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-kicker\"\u003e04 \/ Mechanical Data\u003c\/div\u003e\n\u003ch3\u003e4215 geometry and installation details.\u003c\/h3\u003e\n      \u003cdiv class=\"emx-spec-layout\"\u003e\n        \u003ctable class=\"emx-spec-table\" aria-label=\"EMAX ECO II 4215 mechanical specifications\"\u003e\u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eEMAX ECO II 4215\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e12N14P\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eMotor diameter\u003c\/th\u003e\n\u003ctd\u003eØ49.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor length\u003c\/th\u003e\n\u003ctd\u003e65.35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e209g; 660KV listed at 210g, without silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003eØ6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft direction\u003c\/th\u003e\n\u003ctd\u003eCW thread\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30mm, four-hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor leads\u003c\/th\u003e\n\u003ctd\u003e300mm 16 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003ePropeller specification\u003c\/th\u003e\n\u003ctd\u003e13 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKV options\u003c\/th\u003e\n\u003ctd\u003e350KV \/ 420KV \/ 520KV \/ 660KV\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\u003c\/table\u003e\n        \u003cdiv class=\"emx-spec-callout\"\u003e\n\u003cstrong\u003eOne platform, \u003cspan\u003efour voltage profiles.\u003c\/span\u003e\u003c\/strong\u003e\u003cp\u003eThe shared mechanical package makes it possible to select a winding around the intended voltage without changing the motor's basic airframe interface.\u003c\/p\u003e\n\u003cp\u003eThe published 6S–12S envelope belongs to the complete product family. Each individual KV option has its own cell-count limit shown in the electrical table below.\u003c\/p\u003e\n\u003cp\u003e\u003cb style=\"color:#fff\"\u003eInstallation note:\u003c\/b\u003e Confirm frame clearance, screw engagement, propeller retention, ESC headroom and cooling before operation.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 4215 product platform graphic\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-c5a2467a-df55-4c61-8a90-0380e0041249.png?v=1787766817\" alt=\"EMAX ECO II 4215 large multirotor motor platform with four KV options\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003ePerformance without unnecessary complexity.\u003c\/b\u003e The ECO II 4215 combines a consistent mechanical platform with four winding choices for large multirotor builders who need to match voltage, current and thrust targets.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific operating limits.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eUse only the voltage range published for the selected winding. The 520KV and 660KV cell references below are reconciled with the supplied 32V and 25V test files and the published maximum-power values.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 4215 electrical specifications by KV\"\u003e\n        \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle Current\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak Current\u003c\/th\u003e\n\u003cth\u003eMax Power\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e350KV\u003c\/td\u003e\n\u003ctd\u003e6S–12S\u003c\/td\u003e\n\u003ctd\u003e13\"\u003c\/td\u003e\n\u003ctd\u003e1.0A @ 10V\u003c\/td\u003e\n\u003ctd\u003e62mΩ\u003c\/td\u003e\n\u003ctd\u003e71A @ 12S\u003c\/td\u003e\n\u003ctd\u003e3408W @ 12S\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e420KV\u003c\/td\u003e\n\u003ctd\u003e6S–10S\u003c\/td\u003e\n\u003ctd\u003e13\"\u003c\/td\u003e\n\u003ctd\u003e1.2A @ 10V\u003c\/td\u003e\n\u003ctd\u003e49mΩ\u003c\/td\u003e\n\u003ctd\u003e81A @ 10S\u003c\/td\u003e\n\u003ctd\u003e3240W @ 10S\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e520KV\u003c\/td\u003e\n\u003ctd\u003e6S–8S\u003c\/td\u003e\n\u003ctd\u003e13\"\u003c\/td\u003e\n\u003ctd\u003e1.9A @ 10V\u003c\/td\u003e\n\u003ctd\u003e38mΩ\u003c\/td\u003e\n\u003ctd\u003e75A @ 8S\u003c\/td\u003e\n\u003ctd\u003e2400W @ 8S\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e660KV\u003c\/td\u003e\n\u003ctd\u003e6S\u003c\/td\u003e\n\u003ctd\u003e13\"\u003c\/td\u003e\n\u003ctd\u003e2.3A @ 10V\u003c\/td\u003e\n\u003ctd\u003e26mΩ\u003c\/td\u003e\n\u003ctd\u003e90A @ 6S\u003c\/td\u003e\n\u003ctd\u003e2250W @ 6S\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\" style=\"background:#090b0d\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e06 \/ Bench Data\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded propeller results.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe expandable tables show the final, highest-load row from each propeller set in the supplied workbooks.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdetails class=\"emx-details\"\u003e\u003csummary\u003e\u003cspan\u003e350KV Load-Test Highlights\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e48V \/ Three propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 4215 350KV maximum load test data\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e48V\u003c\/td\u003e\n\u003ctd\u003eGemfan 1310, 3-blade\u003c\/td\u003e\n\u003ctd\u003e62.2A\u003c\/td\u003e\n\u003ctd\u003e7500g\u003c\/td\u003e\n\u003ctd\u003e2985.6W\u003c\/td\u003e\n\u003ctd\u003e2.51g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e48V\u003c\/td\u003e\n\u003ctd\u003eHQ 1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e70.7A\u003c\/td\u003e\n\u003ctd\u003e8130g\u003c\/td\u003e\n\u003ctd\u003e3393.6W\u003c\/td\u003e\n\u003ctd\u003e2.40g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e48V\u003c\/td\u003e\n\u003ctd\u003e13 × 4 carbon-fiber, 2-blade\u003c\/td\u003e\n\u003ctd\u003e36.2A\u003c\/td\u003e\n\u003ctd\u003e6080g\u003c\/td\u003e\n\u003ctd\u003e1737.6W\u003c\/td\u003e\n\u003ctd\u003e3.50g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eFinal recorded row from each 350KV propeller series. RPM was marked \"Max\" rather than numerically reported at these endpoints.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n      \u003cdetails class=\"emx-details\"\u003e\u003csummary\u003e\u003cspan\u003e420KV Load-Test Highlights\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e40V \/ Three propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 4215 420KV maximum load test data\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e40V\u003c\/td\u003e\n\u003ctd\u003eGemfan 1310, 3-blade\u003c\/td\u003e\n\u003ctd\u003e71.3A\u003c\/td\u003e\n\u003ctd\u003e7250g\u003c\/td\u003e\n\u003ctd\u003e2852W\u003c\/td\u003e\n\u003ctd\u003e2.54g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e40V\u003c\/td\u003e\n\u003ctd\u003eHQ 1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e80.6A\u003c\/td\u003e\n\u003ctd\u003e7840g\u003c\/td\u003e\n\u003ctd\u003e3224W\u003c\/td\u003e\n\u003ctd\u003e2.43g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e40V\u003c\/td\u003e\n\u003ctd\u003e13 × 4 carbon-fiber, 2-blade\u003c\/td\u003e\n\u003ctd\u003e42.0A\u003c\/td\u003e\n\u003ctd\u003e5780g\u003c\/td\u003e\n\u003ctd\u003e1680W\u003c\/td\u003e\n\u003ctd\u003e3.44g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eFinal recorded row from each 420KV propeller series. RPM was marked \"Max\" rather than numerically reported at these endpoints.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n      \u003cdetails class=\"emx-details\"\u003e\u003csummary\u003e\u003cspan\u003e520KV Load-Test Highlight\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e32V \/ HQ 1309\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 4215 520KV maximum load test data\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e32V\u003c\/td\u003e\n\u003ctd\u003eHQ 1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e73.9A\u003c\/td\u003e\n\u003ctd\u003e6350g\u003c\/td\u003e\n\u003ctd\u003e2364.8W\u003c\/td\u003e\n\u003ctd\u003e2.69g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eFinal recorded row from the supplied 520KV load-test series.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n      \u003cdetails class=\"emx-details\"\u003e\u003csummary\u003e\u003cspan\u003e660KV Load-Test Highlight\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e25V \/ HQ 1309\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 4215 660KV maximum load test data\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e25V\u003c\/td\u003e\n\u003ctd\u003eHQ 1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e85.3A\u003c\/td\u003e\n\u003ctd\u003e5980g\u003c\/td\u003e\n\u003ctd\u003e2132.5W\u003c\/td\u003e\n\u003ctd\u003e2.80g\/W\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eFinal recorded row from the supplied 660KV load-test series.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 4215 package contents\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-036db0c3-1a17-4595-a28e-695a1eccca2f.png?v=1787766817\" alt=\"EMAX ECO II 4215 motor package with four M4 by 12 millimeter screws, steel M6 nylock nut and propeller washer\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003ePackage contents:\u003c\/b\u003e one EMAX ECO II 4215 brushless motor, four M4 × 12mm screws, one steel M6 nylock nut and one propeller washer.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-kicker\"\u003e07 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eCore installation hardware included.\u003c\/h3\u003e\n      \u003cdiv class=\"emx-package\"\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003eEMAX ECO II 4215 brushless motor\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e4×\u003c\/strong\u003e\u003cspan\u003eM4 × 12mm mounting screws\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003eSteel M6 nylock nut\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003ePropeller washer\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003cfooter class=\"emx-foot\"\u003e\u003cdiv class=\"emx-wrap\"\u003e\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance values are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. Select the motor winding, propeller, ESC, battery and cooling appropriate for the complete aircraft.\u003c\/p\u003e\u003c\/div\u003e\u003c\/footer\u003e\n\u003c\/div\u003e\n","brand":"Emax USA","offers":[{"title":"350KV","offer_id":48192634618092,"sku":null,"price":27.99,"currency_code":"USD","in_stock":false},{"title":"420KV","offer_id":48192634650860,"sku":null,"price":27.99,"currency_code":"USD","in_stock":false},{"title":"520KV","offer_id":48192634683628,"sku":null,"price":27.99,"currency_code":"USD","in_stock":false},{"title":"660KV","offer_id":48192634716396,"sku":null,"price":27.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOII-4715-350KV_14_f24f3c16-5f03-4e02-86d0-1484bb09547e.jpg?v=1787701621"},{"product_id":"emax-ecoii-5215-brushless-motor","title":"EMAX ECOII 5215 Brushless Motor","description":"\u003cdiv class=\"emx5215\"\u003e\n  \u003cstyle\u003e\n    .emx5215{--r:#e31b23;--rd:#8d0f15;--b:#070809;--p:#0d0f12;--l:#292d33;--t:#f3f4f6;--m:#a7adb7;background:var(--b);color:var(--t);border:1px solid #1c1f24;font-family:Arial,Helvetica,sans-serif;line-height:1.55;overflow:hidden;isolation:isolate}.emx5215 *{box-sizing:border-box}.emx5215 img{display:block;width:100%;height:auto}.emx5215 h2,.emx5215 h3,.emx5215 h4,.emx5215 p{margin-top:0}.emx5215 h2,.emx5215 h3,.emx5215 h4{color:#fff;font-weight:800;letter-spacing:.02em;line-height:1.12}.emx5215 h2{font-size:clamp(34px,6vw,72px);margin-bottom:18px}.emx5215 h3{font-size:clamp(23px,3vw,34px);margin-bottom:14px}.emx5215 h4{font-size:18px;margin-bottom:7px}.emx5215 p{color:#c9cdd4}.emx5215 .wrap{width:min(1160px,100%);margin:0 auto;padding:0 26px}.emx5215 .section{padding:68px 0;border-top:1px solid var(--l)}.emx5215 .kicker{display:flex;align-items:center;gap:10px;margin-bottom:17px;color:#ff4a50;font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.emx5215 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th{width:44%;color:#7f8792;font-size:10px;text-transform:uppercase;letter-spacing:.1em}.emx5215 .spec td{color:#eef0f3;font-size:13px;font-weight:700}.emx5215 .callout{border:1px solid var(--l);background:linear-gradient(145deg,#12151a,#090b0d);padding:25px}.emx5215 .callout strong{display:block;color:#fff;font-size:25px;line-height:1.2;margin-bottom:12px}.emx5215 .callout strong span{color:var(--r)}.emx5215 .callout p{font-size:13px}.emx5215 .scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.emx5215 .load thead th{background:#171a1e;color:#aeb4bd;font-size:9px;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}.emx5215 .load td{color:#d8dbe0;font-size:12px;white-space:nowrap}.emx5215 .load td:nth-child(2){white-space:normal;min-width:180px;color:#fff;font-weight:700}.emx5215 .v{color:#ff6a6f!important;font-weight:800}.emx5215 details{background:#0a0c0e;border:1px solid var(--l);margin-top:12px}.emx5215 summary{cursor:pointer;display:flex;justify-content:space-between;gap:18px;padding:18px 19px;color:#fff;font-size:14px;font-weight:800}.emx5215 summary span:last-child{color:#767e89;font-size:10px;text-transform:uppercase}.emx5215 .detail-pad{padding:0 0 15px}.emx5215 .note{color:#707883;font-size:10px;padding:12px 15px 0;margin:0}.emx5215 .bars{display:grid;gap:13px}.emx5215 .bar{display:grid;grid-template-columns:145px 1fr 80px;gap:12px;align-items:center}.emx5215 .track{height:14px;background:#181b1f;border:1px solid #272b31}.emx5215 .fill{height:100%;background:linear-gradient(90deg,var(--rd),var(--r))}.emx5215 .bar strong,.emx5215 .bar em{color:#fff;font-size:13px;font-style:normal}.emx5215 .bar em{text-align:right}.emx5215 .package{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.emx5215 .package div{display:flex;align-items:center;gap:15px;padding:18px 19px;border:1px solid var(--l);background:#0d0f12;color:#d5d8dd;font-size:13px;font-weight:700}.emx5215 .package b{display:grid;place-items:center;flex:0 0 42px;height:42px;color:#fff;background:var(--r)}.emx5215 footer{padding:27px 0;background:#050607;border-top:1px solid var(--l)}.emx5215 footer p{margin:0;color:#707782;font-size:10px;line-height:1.7}@media(max-width:1000px){.emx5215 .kv-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.emx5215 .hero-grid,.emx5215 .spec-layout{grid-template-columns:1fr}.emx5215 .stats{grid-template-columns:repeat(2,1fr)}.emx5215 .features{grid-template-columns:1fr}.emx5215 .heading{display:block}.emx5215 .package{grid-template-columns:1fr}.emx5215 .wrap{padding:0 17px}.emx5215 .section{padding:48px 0}}@media(max-width:500px){.emx5215 .kv-grid{grid-template-columns:1fr}.emx5215 .bar{grid-template-columns:105px 1fr 65px;gap:8px}}\n  \u003c\/style\u003e\n\n  \u003csection class=\"hero\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"series\"\u003eECO II SERIES \/ LARGE MULTIROTOR POWER\u003c\/div\u003e\n\u003cdiv class=\"kicker\"\u003eBrushless Motor Platform\u003c\/div\u003e\n\u003ch2\u003eEMAX ECO II \u003cspan\u003e5215\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eThe EMAX ECO II 5215 is a large-format brushless outrunner for long-range FPV, heavy-lift multirotors and cinematic aircraft using 13- to 17-inch propellers. Five windings—230KV, 260KV, 300KV, 360KV and 420KV—cover 6S through 12S systems around a 12N14P architecture, M6 propeller interface and four-hole 30 × 30mm airframe mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hero-side\"\u003e\n\u003cstrong\u003eFive KV options. One 5215 platform.\u003c\/strong\u003e\u003cspan\u003e230KV \/ 260KV \/ 300KV \/ 360KV: 8S–12S\u003c\/span\u003e\u003cspan\u003e420KV: 6S–8S\u003c\/span\u003e\u003cspan\u003ePublished propeller range: 13–17 inches\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stats\"\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor weight\u003c\/small\u003e\u003cstrong\u003e341g\u003c\/strong\u003e\u003cspan\u003eIncluding 400mm leads\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMotor size\u003c\/small\u003e\u003cstrong\u003eØ60.6mm\u003c\/strong\u003e\u003cspan\u003e65.7mm overall length\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eMount\u003c\/small\u003e\u003cstrong\u003e30 × 30mm\u003c\/strong\u003e\u003cspan\u003eExactly four M4 holes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e12N14P\u003c\/strong\u003e\u003cspan\u003eLarge outrunner architecture\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\" aria-label=\"EMAX ECO II 5215 high-output brushless motor infographic\"\u003e\u003cdiv class=\"media-wrap\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_02_25_30_PM.png?v=1787856789\" alt=\"EMAX ECO II 5215 brushless motor for 13- to 17-inch long-range and heavy-lift multirotors\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"media-copy\"\u003e\u003cp\u003e\u003cb\u003eLarge-prop power across five windings.\u003c\/b\u003e Official EMAX bench sheets recorded up to 9.32kg of thrust, while the 230KV through 420KV range lets builders match the motor to 6S–12S aircraft configurations.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"kicker\"\u003e01 \/ KV Selection\u003c\/div\u003e\n\u003ch3\u003eMatch winding, voltage and propeller load.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eElectrical limits come from the official ECO II 5215 specification sheet. Bench highlights use the maximum-throttle rows from the matching EMAX load-test sheets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kv-grid\"\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e230\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S–12S \/ 17-inch props\u003cbr\u003eLowest-KV large-prop profile.\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e0.8A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e55mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e76.3A \/ 3412W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 9.32kg at 44.71V, GF1708 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e260\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S–12S \/ 15-inch props\u003cbr\u003e12S profile for 15-inch loads.\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e0.9A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e50mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e69.2A \/ 3266W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 9.14kg at 47.21V, HQ1507 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e300\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S–12S \/ 13–17-inch props\u003cbr\u003eBroadest published prop range.\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.2A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e41mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e72.1A \/ 3396W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 8.40kg at 47.23V, 1507 two-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e360\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e8S–12S \/ 13–17-inch props\u003cbr\u003eHigher-RPM multi-voltage profile.\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.4A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e32mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e87.4A \/ 3894W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 9.27kg at 44.56V, HQ1308 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n    \u003carticle class=\"kv\"\u003e\u003cdiv class=\"num\"\u003e420\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use\"\u003e6S–8S \/ 13–15-inch props\u003cbr\u003eHighest-KV medium-voltage profile.\u003c\/div\u003e\n\u003cdiv class=\"kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.7A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e26mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePublished peak\u003c\/small\u003e\u003cstrong\u003e77.7A \/ 2412W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tested\"\u003e\n\u003cb\u003eBench:\u003c\/b\u003e 7.47kg at 31.03V, GF1309 three-blade.\u003c\/div\u003e\u003c\/article\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\" aria-label=\"EMAX ECO II 5215 KV selection guide\"\u003e\u003cdiv class=\"media-wrap\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_02_25_48_PM.png?v=1787856823\" alt=\"EMAX ECO II 5215 KV guide for 230KV, 260KV, 300KV, 360KV and 420KV windings\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"media-copy\"\u003e\u003cp\u003e\u003cb\u003eSelect from the complete aircraft backward.\u003c\/b\u003e Match KV to battery voltage, propeller load, ESC rating, aircraft mass, airflow and required thrust. Validate the final system under realistic thermal conditions.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded thrust by winding.\u003c\/h3\u003e\n\u003cdiv class=\"bars\"\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e230KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:100%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e9.32kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e260KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:98.1%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e9.14kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e300KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:90.1%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e8.40kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e360KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:99.4%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e9.27kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cstrong\u003e420KV\u003c\/strong\u003e\u003cdiv class=\"track\"\u003e\u003cdiv class=\"fill\" style=\"width:80.1%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cem\u003e7.47kg\u003c\/em\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:11px;margin-top:16px\"\u003eMaximum values are configuration-dependent bench results from the supplied EMAX load-test sheets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e03 \/ Construction\u003c\/div\u003e\n\u003ch3\u003eLarge-outrunner hardware with precision support.\u003c\/h3\u003e\n\u003cdiv class=\"features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e01 \/ SHAFT\u003c\/div\u003e\n\u003ch4\u003eSteel M6 Shaft\u003c\/h4\u003e\n\u003cp\u003eA CW-threaded M6 propeller interface and 6mm bearing section support the rotating assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e02 \/ ROTOR\u003c\/div\u003e\n\u003ch4\u003eAnodized Rotor Bell\u003c\/h4\u003e\n\u003cp\u003eA rigid outer bell rotates with the shaft around a full-height 14-pole magnet ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e03 \/ STATOR\u003c\/div\u003e\n\u003ch4\u003e12-Slot Wound Stator\u003c\/h4\u003e\n\u003cp\u003eDense multi-strand copper windings form the fixed 12-slot stator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e04 \/ BEARING\u003c\/div\u003e\n\u003ch4\u003ePrecision Bearing\u003c\/h4\u003e\n\u003cp\u003eConcentric bearing support promotes smooth rotation under sustained propeller load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e05 \/ MOUNT\u003c\/div\u003e\n\u003ch4\u003eFour-Hole Mount\u003c\/h4\u003e\n\u003cp\u003eThe 30 × 30mm base has exactly four M4 airframe mounting holes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"index\"\u003e06 \/ LEADS\u003c\/div\u003e\n\u003ch4\u003e400mm 14 AWG Leads\u003c\/h4\u003e\n\u003cp\u003eLong silicone motor leads provide routing flexibility in large aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\" aria-label=\"Exploded EMAX ECO II 5215 motor construction\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_02_25_43_PM.png?v=1787856810\" alt=\"Exploded ECO II 5215 showing M6 shaft, full-height 14-pole magnet ring, 12-slot stator, precision bearing and four-hole 30 by 30 millimeter mount\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e04 \/ Mechanical Data\u003c\/div\u003e\n\u003ch3\u003e5215 geometry and installation details.\u003c\/h3\u003e\n\u003cdiv class=\"spec-layout\"\u003e\n\u003ctable class=\"spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eEMAX ECO II 5215\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e12N14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor diameter\u003c\/th\u003e\n\u003ctd\u003eØ60.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall length\u003c\/th\u003e\n\u003ctd\u003e65.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e341g with wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003eØ6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 CW thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30mm, four M4 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor leads\u003c\/th\u003e\n\u003ctd\u003e400mm 14 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller range\u003c\/th\u003e\n\u003ctd\u003e13–17 inches, KV-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eOne platform, \u003cspan\u003efive power profiles.\u003c\/span\u003e\u003c\/strong\u003e\u003cp\u003eThe shared 5215 mechanical package lets builders select winding and voltage without changing the four-hole airframe interface.\u003c\/p\u003e\n\u003cp\u003eThe official drawing specifies 60.6mm diameter, 65.7mm overall length and a 30 × 30mm four-M4 mounting pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cb style=\"color:#fff\"\u003eInstallation note:\u003c\/b\u003e Confirm frame clearance, screw engagement, propeller retention, ESC headroom and cooling before operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\" aria-label=\"EMAX ECO II 5215 long-range and heavy-lift platform\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_02_25_56_PM.png?v=1787856836\" alt=\"EMAX ECO II 5215 12N14P motor platform for 13- to 17-inch FPV aircraft\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific published limits.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eUse the voltage and propeller range for the selected winding. Confirm ESC current capability and thermal headroom for the complete aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle current\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak current\u003c\/th\u003e\n\u003cth\u003eMax power\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e230KV\u003c\/td\u003e\n\u003ctd\u003e8S–12S\u003c\/td\u003e\n\u003ctd\u003e17\"\u003c\/td\u003e\n\u003ctd\u003e0.8A @ 10V\u003c\/td\u003e\n\u003ctd\u003e55mΩ\u003c\/td\u003e\n\u003ctd\u003e76.3A\u003c\/td\u003e\n\u003ctd\u003e3412W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e260KV\u003c\/td\u003e\n\u003ctd\u003e8S–12S\u003c\/td\u003e\n\u003ctd\u003e15\"\u003c\/td\u003e\n\u003ctd\u003e0.9A @ 10V\u003c\/td\u003e\n\u003ctd\u003e50mΩ\u003c\/td\u003e\n\u003ctd\u003e69.2A\u003c\/td\u003e\n\u003ctd\u003e3266W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e300KV\u003c\/td\u003e\n\u003ctd\u003e8S–12S\u003c\/td\u003e\n\u003ctd\u003e13–17\"\u003c\/td\u003e\n\u003ctd\u003e1.2A @ 10V\u003c\/td\u003e\n\u003ctd\u003e41mΩ\u003c\/td\u003e\n\u003ctd\u003e72.1A\u003c\/td\u003e\n\u003ctd\u003e3396W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e360KV\u003c\/td\u003e\n\u003ctd\u003e8S–12S\u003c\/td\u003e\n\u003ctd\u003e13–17\"\u003c\/td\u003e\n\u003ctd\u003e1.4A @ 10V\u003c\/td\u003e\n\u003ctd\u003e32mΩ\u003c\/td\u003e\n\u003ctd\u003e87.4A\u003c\/td\u003e\n\u003ctd\u003e3894W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e420KV\u003c\/td\u003e\n\u003ctd\u003e6S–8S\u003c\/td\u003e\n\u003ctd\u003e13–15\"\u003c\/td\u003e\n\u003ctd\u003e1.7A @ 10V\u003c\/td\u003e\n\u003ctd\u003e26mΩ\u003c\/td\u003e\n\u003ctd\u003e77.7A\u003c\/td\u003e\n\u003ctd\u003e2412W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\" style=\"background:#090b0d\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"heading\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"kicker\"\u003e06 \/ Bench Data\u003c\/div\u003e\n\u003ch3\u003eMaximum-throttle load-test highlights.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eExpand a winding to view the maximum-throttle row from every propeller series in the official EMAX sheets.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e230KV Load-Test Highlights\u003c\/span\u003e\u003cspan\u003e17-inch \/ three propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e44.85V\u003c\/td\u003e\n\u003ctd\u003eHQ1708, 3-blade\u003c\/td\u003e\n\u003ctd\u003e65.66A\u003c\/td\u003e\n\u003ctd\u003e9,131g\u003c\/td\u003e\n\u003ctd\u003e2944.85W\u003c\/td\u003e\n\u003ctd\u003e3.10g\/W\u003c\/td\u003e\n\u003ctd\u003e8,381\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e44.71V\u003c\/td\u003e\n\u003ctd\u003eGF1708, 3-blade\u003c\/td\u003e\n\u003ctd\u003e76.31A\u003c\/td\u003e\n\u003ctd\u003e9,320g\u003c\/td\u003e\n\u003ctd\u003e3411.82W\u003c\/td\u003e\n\u003ctd\u003e2.73g\/W\u003c\/td\u003e\n\u003ctd\u003e7,911\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e44.54V\u003c\/td\u003e\n\u003ctd\u003e1708, 2-blade\u003c\/td\u003e\n\u003ctd\u003e66.92A\u003c\/td\u003e\n\u003ctd\u003e8,499g\u003c\/td\u003e\n\u003ctd\u003e2980.62W\u003c\/td\u003e\n\u003ctd\u003e2.85g\/W\u003c\/td\u003e\n\u003ctd\u003e8,250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e260KV Load-Test Highlights\u003c\/span\u003e\u003cspan\u003e15-inch \/ two propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.21V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e69.18A\u003c\/td\u003e\n\u003ctd\u003e9,139g\u003c\/td\u003e\n\u003ctd\u003e3265.99W\u003c\/td\u003e\n\u003ctd\u003e2.80g\/W\u003c\/td\u003e\n\u003ctd\u003e9,776\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.40V\u003c\/td\u003e\n\u003ctd\u003eGF1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e56.00A\u003c\/td\u003e\n\u003ctd\u003e8,261g\u003c\/td\u003e\n\u003ctd\u003e2654.40W\u003c\/td\u003e\n\u003ctd\u003e3.11g\/W\u003c\/td\u003e\n\u003ctd\u003e9,845\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e300KV Load-Test Highlights\u003c\/span\u003e\u003cspan\u003e8S–12S \/ four propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.11V\u003c\/td\u003e\n\u003ctd\u003eHQ1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e72.09A\u003c\/td\u003e\n\u003ctd\u003e7,994g\u003c\/td\u003e\n\u003ctd\u003e3396.16W\u003c\/td\u003e\n\u003ctd\u003e2.35g\/W\u003c\/td\u003e\n\u003ctd\u003e11,598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.23V\u003c\/td\u003e\n\u003ctd\u003e1507, 2-blade\u003c\/td\u003e\n\u003ctd\u003e65.15A\u003c\/td\u003e\n\u003ctd\u003e8,399g\u003c\/td\u003e\n\u003ctd\u003e3077.03W\u003c\/td\u003e\n\u003ctd\u003e2.73g\/W\u003c\/td\u003e\n\u003ctd\u003e11,680\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e31.37V\u003c\/td\u003e\n\u003ctd\u003eHQ1708, 3-blade\u003c\/td\u003e\n\u003ctd\u003e56.87A\u003c\/td\u003e\n\u003ctd\u003e7,425g\u003c\/td\u003e\n\u003ctd\u003e1784.01W\u003c\/td\u003e\n\u003ctd\u003e4.16g\/W\u003c\/td\u003e\n\u003ctd\u003e7,554\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e31.29V\u003c\/td\u003e\n\u003ctd\u003eGF1708, 3-blade\u003c\/td\u003e\n\u003ctd\u003e64.08A\u003c\/td\u003e\n\u003ctd\u003e7,956g\u003c\/td\u003e\n\u003ctd\u003e2005.06W\u003c\/td\u003e\n\u003ctd\u003e3.97g\/W\u003c\/td\u003e\n\u003ctd\u003e7,377\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e360KV Load-Test Highlights\u003c\/span\u003e\u003cspan\u003e8S–12S \/ four propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e44.56V\u003c\/td\u003e\n\u003ctd\u003eHQ1308, 3-blade\u003c\/td\u003e\n\u003ctd\u003e87.39A\u003c\/td\u003e\n\u003ctd\u003e9,265g\u003c\/td\u003e\n\u003ctd\u003e3894.10W\u003c\/td\u003e\n\u003ctd\u003e2.38g\/W\u003c\/td\u003e\n\u003ctd\u003e12,686\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e47.23V\u003c\/td\u003e\n\u003ctd\u003eGF1308, 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\u003cdetails\u003e\u003csummary\u003e\u003cspan\u003e420KV Load-Test Highlights\u003c\/span\u003e\u003cspan\u003e6S–8S \/ four propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"detail-pad scroll\"\u003e\u003ctable class=\"load\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e31.13V\u003c\/td\u003e\n\u003ctd\u003eHQ1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e69.38A\u003c\/td\u003e\n\u003ctd\u003e6,417g\u003c\/td\u003e\n\u003ctd\u003e2159.80W\u003c\/td\u003e\n\u003ctd\u003e2.97g\/W\u003c\/td\u003e\n\u003ctd\u003e10,277\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e31.03V\u003c\/td\u003e\n\u003ctd\u003eGF1309, 3-blade\u003c\/td\u003e\n\u003ctd\u003e77.73A\u003c\/td\u003e\n\u003ctd\u003e7,469g\u003c\/td\u003e\n\u003ctd\u003e2411.96W\u003c\/td\u003e\n\u003ctd\u003e3.10g\/W\u003c\/td\u003e\n\u003ctd\u003e10,049\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e31.22V\u003c\/td\u003e\n\u003ctd\u003e1507, 2-blade\u003c\/td\u003e\n\u003ctd\u003e64.20A\u003c\/td\u003e\n\u003ctd\u003e7,121g\u003c\/td\u003e\n\u003ctd\u003e2004.32W\u003c\/td\u003e\n\u003ctd\u003e3.55g\/W\u003c\/td\u003e\n\u003ctd\u003e10,459\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"v\"\u003e24.24V\u003c\/td\u003e\n\u003ctd\u003eHQ1507, 3-blade\u003c\/td\u003e\n\u003ctd\u003e59.41A\u003c\/td\u003e\n\u003ctd\u003e5,940g\u003c\/td\u003e\n\u003ctd\u003e1440.10W\u003c\/td\u003e\n\u003ctd\u003e4.12g\/W\u003c\/td\u003e\n\u003ctd\u003e7,961\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"media\" aria-label=\"EMAX ECO II 5215 package contents\"\u003e\u003cdiv class=\"media-wrap\"\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/Codex_Image_Aug_27_2026_02_26_01_PM.png?v=1787856846\" alt=\"EMAX ECO II 5215 motor package with four M4 by 12 millimeter screws and one steel M6 nylock nut\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection class=\"section\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"kicker\"\u003e07 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eMotor and mounting hardware included.\u003c\/h3\u003e\n\u003cdiv class=\"package\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e1×\u003c\/b\u003eEMAX ECO II 5215 brushless motor\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e4×\u003c\/b\u003eM4 × 12mm mounting screws\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1×\u003c\/b\u003eSteel M6 nylock nut\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003cfooter\u003e\u003cdiv class=\"wrap\"\u003e\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance figures are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. Select the winding, propeller, ESC, battery and cooling appropriate for the complete aircraft.\u003c\/p\u003e\u003c\/div\u003e\u003c\/footer\u003e\n\u003c\/div\u003e\n","brand":"Emax USA","offers":[{"title":"230KV","offer_id":48192644907244,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"260KV","offer_id":48192644940012,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"300KV","offer_id":48192644972780,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"360KV","offer_id":48192645005548,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"420KV","offer_id":48192645038316,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/5215-300KV_7.jpg?v=1787083535"},{"product_id":"emax-ecoii-6215-brushless-motor","title":"EMAX ECOII 6215 Brushless Motor","description":"\u003cstyle\u003e\n    .emx6215{\n      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  .emx6215 .emx-media-copy b{color:#d9dde2}\n    .emx6215 .emx-swipe{display:none;color:#8e959e;font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:9px 17px;background:#090a0c;border-top:1px solid #1b1e22}\n    @media (max-width:900px){\n      .emx6215 .emx-hero-grid,.emx6215 .emx-spec-layout{grid-template-columns:1fr}\n      .emx6215 .emx-hero-side{max-width:540px}\n      .emx6215 .emx-stat-grid{grid-template-columns:repeat(2,1fr)}\n      .emx6215 .emx-kv-grid{grid-template-columns:1fr}\n      .emx6215 .emx-kv-card{min-height:0}\n      .emx6215 .emx-feature-grid{grid-template-columns:repeat(2,1fr)}\n      .emx6215 .emx-heading-row{display:block}\n      .emx6215 .emx-heading-row p{max-width:720px}\n    }\n    @media (max-width:620px){\n      .emx6215 .emx-wrap{padding:0 17px}\n      .emx6215 .emx-media-copy{padding:18px 17px 23px}\n      .emx6215 .emx-media-frame.emx-media-detail{overflow-x:auto;-webkit-overflow-scrolling:touch}\n      .emx6215 .emx-media-frame.emx-media-detail img{width:900px;max-width:none}\n      .emx6215 .emx-media-detail + .emx-swipe{display:block}\n      .emx6215 .emx-section{padding:48px 0}\n      .emx6215 .emx-hero{padding:54px 0 42px}\n      .emx6215 .emx-stat-grid{grid-template-columns:1fr 1fr}\n      .emx6215 .emx-stat{min-height:104px;padding:17px 15px}\n      .emx6215 .emx-stat strong{font-size:23px}\n      .emx6215 .emx-feature-grid{grid-template-columns:1fr}\n      .emx6215 .emx-bar-row{grid-template-columns:118px minmax(90px,1fr) 65px;gap:8px}\n      .emx6215 .emx-bar-label{display:block}\n      .emx6215 .emx-bar-label span{display:block;margin-top:1px}\n      .emx6215 .emx-package{grid-template-columns:1fr}\n      .emx6215 .emx-details summary{align-items:flex-start;flex-wrap:wrap}\n      .emx6215 .emx-details .emx-meta{margin-left:0;width:calc(100% - 30px)}\n    }\n  \u003c\/style\u003e\n\u003cdiv class=\"emx6215\"\u003e\n\u003csection class=\"emx-hero\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-series\"\u003e\n\u003cb\u003eECO II SERIES\u003c\/b\u003e \/ HEAVY-LIFT POWER\u003c\/div\u003e\n\u003cdiv class=\"emx-kicker\"\u003eBrushless Motor Platform\u003c\/div\u003e\n\u003ch2\u003eEMAX ECO II \u003cspan\u003e6215\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"emx-lede\"\u003eThe EMAX ECO II 6215 is a high-torque external-rotor brushless motor for 18- to 22-inch multirotor propellers. Two 12S winding options—180KV and 200KV—use a 24N28P architecture, Ø69.3 × 63.2mm body, M6 threaded propeller shaft and 30 × 30mm mounting pattern. At 378g with wire, it is engineered for large FPV aircraft and heavy-lift propulsion systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-hero-side\"\u003e\n\u003cstrong\u003eTwo 12S power profiles.\u003c\/strong\u003e \u003cspan\u003e180KV for 18- to 22-inch propellers.\u003c\/span\u003e \u003cspan\u003e200KV for 18- to 20-inch propellers.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-stat-grid\"\u003e\n\u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eMotor weight\u003c\/small\u003e\u003cstrong\u003e378g\u003c\/strong\u003e\u003cspan\u003eIncluding silicone wire\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eSystem voltage\u003c\/small\u003e\u003cstrong\u003e12S\u003c\/strong\u003e\u003cspan\u003eBoth KV windings\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003ePropeller\u003c\/small\u003e\u003cstrong\u003e18–22\"\u003c\/strong\u003e\u003cspan\u003eKV-dependent propeller range\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e24N28P\u003c\/strong\u003e\u003cspan\u003eHeavy-lift outrunner architecture\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-media-section\"\u003e\n\u003cdiv class=\"emx-media-wrap\"\u003e\n\u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-32ce6706-89a3-4d92-9859-b225b908c5a9.png?v=1787788465\" alt=\"EMAX ECO II 6215 12S brushless motor for 18- to 22-inch aircraft\" loading=\"eager\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"emx-media-copy\"\u003e\n\u003cp\u003e\u003cb\u003eLarge-prop 12S propulsion.\u003c\/b\u003e The official 180KV bench data records up to 12.850kg thrust at 47.61V with a JXF 22 × 10 carbon-fiber two-blade propeller.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e01 \/ KV Selection\u003c\/div\u003e\n\u003ch3\u003eMatch voltage and winding to the aircraft.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003ePublished electrical limits and tested thrust values are transcribed from the official EMAX product specification and load-test sheets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-kv-grid\"\u003e\n\u003carticle class=\"emx-kv-card\"\u003e\n\u003cdiv class=\"emx-num\"\u003e180\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e12S \/ 18- to 22-inch propeller\u003cbr\u003eLower-KV winding for the widest propeller range.\u003c\/div\u003e\n\u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e68.2A\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e3247W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e54mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.3A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 12.850kg thrust at 47.61V with JXF 22 × 10 CF two-blade; 68.19A \/ 3246.5W.\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"emx-kv-card\"\u003e\n\u003cdiv class=\"emx-num\"\u003e200\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e12S \/ 18- to 20-inch propeller\u003cbr\u003eHigher-RPM winding for strong large-prop output.\u003c\/div\u003e\n\u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e79.8A\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e3796W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e45mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.5A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 12.618kg thrust at 47.57V with GF 18 × 10 three-blade; 79.79A \/ 3795.6W.\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-media-section\"\u003e\n\u003cdiv class=\"emx-media-wrap\"\u003e\n\u003cfigure class=\"emx-media-frame emx-media-detail\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-5dfa850f-c93e-494b-baf9-674c6b52ec03.png?v=1787788452\" alt=\"EMAX ECO II 6215 selection guide for 180KV and 200KV 12S motors\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"emx-swipe\"\u003eSwipe horizontally to compare both KV options\u003c\/div\u003e\n\u003cdiv class=\"emx-media-copy\"\u003e\n\u003cp\u003e\u003cb\u003eChoose from the complete aircraft backward.\u003c\/b\u003e Match motor KV to battery voltage, propeller load, ESC rating, aircraft mass, airflow and required thrust. Published ranges are selection guidance; validate the final power system under realistic thermal conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\" style=\"background: #090b0d;\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum tested thrust by KV.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eEach bar shows the highest thrust recorded in the official test sheet for that winding. Both bars share a 12.850kg scale.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-bars\"\u003e\n\u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e180KV\u003c\/strong\u003e\u003cspan\u003e47.61V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\n\u003cdiv class=\"emx-fill\" style=\"width: 100%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e12.850kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e200KV\u003c\/strong\u003e\u003cspan\u003e47.57V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\n\u003cdiv class=\"emx-fill\" style=\"width: 98.2%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e12.618kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"emx-caption\"\u003eMaximum values were recorded with a JXF 22 × 10 CF two-blade propeller for 180KV and a GF 18 × 10 three-blade propeller for 200KV. Bench results are configuration-dependent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-kicker\"\u003e03 \/ Construction\u003c\/div\u003e\n\u003ch3\u003eLarge outrunner hardware built around precision support.\u003c\/h3\u003e\n\u003cdiv class=\"emx-feature-grid\"\u003e\n\u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e01 \/ SHAFT\u003c\/div\u003e\n\u003ch4\u003eSteel Shaft\u003c\/h4\u003e\n\u003cp\u003eA 6mm bearing section supports the rotating assembly, while the M6 CW threaded propeller interface provides secure retention.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e02 \/ FINISH\u003c\/div\u003e\n\u003ch4\u003eAnodized Structure\u003c\/h4\u003e\n\u003cp\u003eAnodized metal surfaces provide a durable finish for regular installation and service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e03 \/ MOUNT\u003c\/div\u003e\n\u003ch4\u003e30 × 30mm Pattern\u003c\/h4\u003e\n\u003cp\u003eA four-hole 30 × 30mm pattern accepts M4 mounting hardware at the airframe interface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e04 \/ WINDING\u003c\/div\u003e\n\u003ch4\u003eMulti-Strand Winding\u003c\/h4\u003e\n\u003cp\u003eMulti-strand winding is specified for the high-current operating range of this large outrunner.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e05 \/ BEARING\u003c\/div\u003e\n\u003ch4\u003ePrecision Bearing Support\u003c\/h4\u003e\n\u003cp\u003eConcentric bearing support promotes smooth shaft rotation under sustained large-propeller load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e06 \/ LEADS\u003c\/div\u003e\n\u003ch4\u003e400mm 14 AWG Wire\u003c\/h4\u003e\n\u003cp\u003eLong, heavy-gauge silicone motor leads provide routing flexibility in large-aircraft installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-media-section\"\u003e\n\u003cdiv class=\"emx-media-wrap\"\u003e\n\u003cfigure class=\"emx-media-frame emx-media-detail\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-e90fe98b-a4e5-44b1-9eac-4c66434cd280.png?v=1787788482\" alt=\"Exploded EMAX ECO II 6215 motor showing M6 steel propeller shaft, full-height 28-pole magnet ring, 24-slot copper-wound stator, precision bearing and four-hole 30 by 30 millimeter motor mount\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"emx-swipe\"\u003eSwipe horizontally to inspect the component callouts\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\" style=\"background: #090b0d;\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-kicker\"\u003e04 \/ Mechanical Data\u003c\/div\u003e\n\u003ch3\u003e6215 geometry and installation details.\u003c\/h3\u003e\n\u003cdiv class=\"emx-spec-layout\"\u003e\n\u003ctable class=\"emx-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eEMAX ECO II 6215\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e24N28P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor diameter\u003c\/th\u003e\n\u003ctd\u003eØ69.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor length\u003c\/th\u003e\n\u003ctd\u003e63.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e378g with wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003eØ6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft direction\u003c\/th\u003e\n\u003ctd\u003eCW thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30mm, four M4 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor leads\u003c\/th\u003e\n\u003ctd\u003e400mm 14 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePropeller specification\u003c\/th\u003e\n\u003ctd\u003e18–22 inches, KV-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKV options\u003c\/th\u003e\n\u003ctd\u003e180KV \/ 200KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"emx-spec-callout\"\u003e\n\u003cstrong\u003eOne platform, \u003cspan\u003etwo 12S profiles.\u003c\/span\u003e\u003c\/strong\u003e\n\u003cp\u003eThe shared mechanical package lets builders select 180KV or 200KV around the intended propeller load without changing the 30 × 30mm four-hole airframe interface.\u003c\/p\u003e\n\u003cp\u003eThe 180KV winding supports the broadest published propeller range, while 200KV provides the higher-RPM choice for 18- to 20-inch propellers.\u003c\/p\u003e\n\u003cp\u003e\u003cb style=\"color: #fff;\"\u003eInstallation note:\u003c\/b\u003e Confirm frame clearance, screw engagement, propeller retention, ESC headroom and cooling before operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-media-section\"\u003e\n\u003cdiv class=\"emx-media-wrap\"\u003e\n\u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-752e43a1-49b0-4659-b26b-1341255d94ee.png?v=1787788474\" alt=\"EMAX ECO II 6215 heavy-lift motor platform for 18- to 22-inch aircraft\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"emx-media-copy\"\u003e\n\u003cp\u003e\u003cb\u003eSerious lift with practical value.\u003c\/b\u003e The ECO II 6215 combines a 24N28P heavy-lift platform with two 12S winding choices for builders matching propeller size, current and thrust targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific operating limits.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eUse only the published voltage and propeller range for the selected winding. Confirm ESC current capability and thermal headroom for the complete aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\n\u003ctable class=\"emx-load-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle Current\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak Current\u003c\/th\u003e\n\u003cth\u003eMax Power\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e180KV\u003c\/td\u003e\n\u003ctd\u003e12S\u003c\/td\u003e\n\u003ctd\u003e18–22\"\u003c\/td\u003e\n\u003ctd\u003e1.3A @ 10V\u003c\/td\u003e\n\u003ctd\u003e54mΩ\u003c\/td\u003e\n\u003ctd\u003e68.2A\u003c\/td\u003e\n\u003ctd\u003e3247W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e200KV\u003c\/td\u003e\n\u003ctd\u003e12S\u003c\/td\u003e\n\u003ctd\u003e18–20\"\u003c\/td\u003e\n\u003ctd\u003e1.5A @ 10V\u003c\/td\u003e\n\u003ctd\u003e45mΩ\u003c\/td\u003e\n\u003ctd\u003e79.8A\u003c\/td\u003e\n\u003ctd\u003e3796W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\" style=\"background: #090b0d;\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e06 \/ Bench Data\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded propeller results.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe expandable tables show the maximum-throttle row from each propeller set in the official EMAX test sheet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"emx-details\"\u003e\n\u003csummary\u003e\u003cspan\u003e180KV Load-Test Highlights\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e48V \/ Four propellers\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\n\u003ctable class=\"emx-load-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.68V\u003c\/td\u003e\n\u003ctd\u003eHQ 20 × 10, 3-blade\u003c\/td\u003e\n\u003ctd\u003e59.18A\u003c\/td\u003e\n\u003ctd\u003e11,271g\u003c\/td\u003e\n\u003ctd\u003e2821.7W\u003c\/td\u003e\n\u003ctd\u003e3.99g\/W\u003c\/td\u003e\n\u003ctd\u003e6,836\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.68V\u003c\/td\u003e\n\u003ctd\u003eFL 21 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e54.98A\u003c\/td\u003e\n\u003ctd\u003e11,259g\u003c\/td\u003e\n\u003ctd\u003e2621.4W\u003c\/td\u003e\n\u003ctd\u003e4.29g\/W\u003c\/td\u003e\n\u003ctd\u003e6,918\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.63V\u003c\/td\u003e\n\u003ctd\u003eFL 22 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e64.30A\u003c\/td\u003e\n\u003ctd\u003e12,706g\u003c\/td\u003e\n\u003ctd\u003e3062.6W\u003c\/td\u003e\n\u003ctd\u003e4.15g\/W\u003c\/td\u003e\n\u003ctd\u003e6,734\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.61V\u003c\/td\u003e\n\u003ctd\u003eJXF 22 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e68.19A\u003c\/td\u003e\n\u003ctd\u003e12,850g\u003c\/td\u003e\n\u003ctd\u003e3246.5W\u003c\/td\u003e\n\u003ctd\u003e3.96g\/W\u003c\/td\u003e\n\u003ctd\u003e6,656\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eMaximum-throttle row from each official 180KV propeller series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"emx-details\"\u003e\n\u003csummary\u003e\u003cspan\u003e200KV Load-Test Highlights\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e48V \/ Four propellers\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\n\u003ctable class=\"emx-load-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.66V\u003c\/td\u003e\n\u003ctd\u003eHQ 18 × 9, 3-blade\u003c\/td\u003e\n\u003ctd\u003e65.52A\u003c\/td\u003e\n\u003ctd\u003e11,396g\u003c\/td\u003e\n\u003ctd\u003e3122.7W\u003c\/td\u003e\n\u003ctd\u003e3.65g\/W\u003c\/td\u003e\n\u003ctd\u003e7,789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.57V\u003c\/td\u003e\n\u003ctd\u003eGF 18 × 10, 3-blade\u003c\/td\u003e\n\u003ctd\u003e79.79A\u003c\/td\u003e\n\u003ctd\u003e12,618g\u003c\/td\u003e\n\u003ctd\u003e3795.6W\u003c\/td\u003e\n\u003ctd\u003e3.32g\/W\u003c\/td\u003e\n\u003ctd\u003e7,521\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.69V\u003c\/td\u003e\n\u003ctd\u003eFL 19 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e56.07A\u003c\/td\u003e\n\u003ctd\u003e10,154g\u003c\/td\u003e\n\u003ctd\u003e2674.0W\u003c\/td\u003e\n\u003ctd\u003e3.80g\/W\u003c\/td\u003e\n\u003ctd\u003e7,976\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.65V\u003c\/td\u003e\n\u003ctd\u003eFL 20 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e65.29A\u003c\/td\u003e\n\u003ctd\u003e11,792g\u003c\/td\u003e\n\u003ctd\u003e3111.1W\u003c\/td\u003e\n\u003ctd\u003e3.79g\/W\u003c\/td\u003e\n\u003ctd\u003e7,793\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eMaximum-throttle row from each official 200KV propeller series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-media-section\"\u003e\n\u003cdiv class=\"emx-media-wrap\"\u003e\n\u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-ff81da90-fc9a-4ba3-b37a-727052b8568f.png?v=1787788491\" alt=\"EMAX ECO II 6215 motor package with M4 mounting screws, steel M6 nylock nut, propeller shaft sleeve and paddle gasket\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"emx-media-copy\"\u003e\n\u003cp\u003e\u003cb\u003ePackage contents:\u003c\/b\u003e one EMAX ECO II 6215 brushless motor, four M4 × 14mm mounting screws, one steel M6 nylock nut, one propeller shaft sleeve and one paddle gasket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"emx-section\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cdiv class=\"emx-kicker\"\u003e07 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eMotor and propeller-retention hardware included.\u003c\/h3\u003e\n\u003cdiv class=\"emx-package\"\u003e\n\u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003eEMAX ECO II 6215 brushless motor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e4×\u003c\/strong\u003e\u003cspan\u003eM4 × 14mm mounting screws\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003eSteel M6 nylock nut\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003ePropeller shaft sleeve\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003ePaddle gasket\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter class=\"emx-foot\"\u003e\n\u003cdiv class=\"emx-wrap\"\u003e\n\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance values are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. Select the motor winding, propeller, ESC, battery and cooling appropriate for the complete aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Emax USA","offers":[{"title":"180KV","offer_id":48192800096492,"sku":null,"price":89.99,"currency_code":"USD","in_stock":false},{"title":"200KV","offer_id":48192800129260,"sku":null,"price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOII6215_12.png?v=1787083052"},{"product_id":"emax-ecoii-6218-brushless-motor","title":"EMAX ECOII 6218 Brushless Motor","description":"\u003cdiv class=\"emx6218\"\u003e\n  \u003cstyle\u003e\n    .emx6218{\n      --emx-red:#e31b23;\n      --emx-red-dark:#8d0f15;\n      --emx-black:#070809;\n      --emx-panel:#0d0f12;\n      --emx-panel-2:#12151a;\n      --emx-line:#292d33;\n      --emx-text:#f3f4f6;\n      --emx-muted:#a7adb7;\n      --emx-white:#ffffff;\n      background:var(--emx-black);\n     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summary{border-bottom:1px solid var(--emx-line)}\n    .emx6218 .emx-details .emx-meta{color:#767e89;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-left:auto}\n    .emx6218 .emx-detail-pad{padding:0 0 15px}\n    .emx6218 .emx-test-note{color:#707883;font-size:10px;padding:12px 15px 0;margin:0}\n    .emx6218 .emx-package{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}\n    .emx6218 .emx-package-item{display:flex;align-items:center;gap:15px;padding:18px 19px;border:1px solid var(--emx-line);background:#0d0f12}\n    .emx6218 .emx-package-item strong{flex:0 0 auto;width:42px;height:42px;display:grid;place-items:center;color:#fff;background:var(--emx-red);font-size:14px}\n    .emx6218 .emx-package-item span{color:#d5d8dd;font-size:13px;font-weight:700}\n    .emx6218 .emx-foot{padding:27px 0;background:#050607;border-top:1px solid var(--emx-line)}\n    .emx6218 .emx-foot p{margin:0;color:#707782;font-size:10px;line-height:1.7}\n    .emx6218 .emx-foot b{color:#a7adb7}\n    .emx6218 .emx-media-section{padding:0;background:#000;border-top:1px solid var(--emx-line)}\n    .emx6218 .emx-media-wrap{width:min(1400px,100%);margin:0 auto;background:#000}\n    .emx6218 .emx-media-frame{margin:0;position:relative;background:#000;overflow:hidden}\n    .emx6218 .emx-media-frame img{width:100%;height:auto;margin:0 auto;background:#000}\n    .emx6218 .emx-media-copy{width:min(1160px,100%);margin:0 auto;padding:24px 26px 30px;border-top:1px solid #191c20}\n    .emx6218 .emx-media-copy p{margin:0;max-width:900px;color:#969da7;font-size:12px;line-height:1.7}\n    .emx6218 .emx-media-copy b{color:#d9dde2}\n    .emx6218 .emx-swipe{display:none;color:#8e959e;font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:9px 17px;background:#090a0c;border-top:1px solid #1b1e22}\n    @media (max-width:900px){\n      .emx6218 .emx-hero-grid,.emx6218 .emx-spec-layout{grid-template-columns:1fr}\n      .emx6218 .emx-hero-side{max-width:540px}\n      .emx6218 .emx-stat-grid{grid-template-columns:repeat(2,1fr)}\n      .emx6218 .emx-kv-grid{grid-template-columns:1fr}\n      .emx6218 .emx-kv-card{min-height:0}\n      .emx6218 .emx-feature-grid{grid-template-columns:repeat(2,1fr)}\n      .emx6218 .emx-heading-row{display:block}\n      .emx6218 .emx-heading-row p{max-width:720px}\n    }\n    @media (max-width:620px){\n      .emx6218 .emx-wrap{padding:0 17px}\n      .emx6218 .emx-media-copy{padding:18px 17px 23px}\n      .emx6218 .emx-media-frame.emx-media-detail{overflow-x:auto;-webkit-overflow-scrolling:touch}\n      .emx6218 .emx-media-frame.emx-media-detail img{width:900px;max-width:none}\n      .emx6218 .emx-media-detail + .emx-swipe{display:block}\n      .emx6218 .emx-section{padding:48px 0}\n      .emx6218 .emx-hero{padding:54px 0 42px}\n      .emx6218 .emx-stat-grid{grid-template-columns:1fr 1fr}\n      .emx6218 .emx-stat{min-height:104px;padding:17px 15px}\n      .emx6218 .emx-stat strong{font-size:23px}\n      .emx6218 .emx-feature-grid{grid-template-columns:1fr}\n      .emx6218 .emx-bar-row{grid-template-columns:118px minmax(90px,1fr) 65px;gap:8px}\n      .emx6218 .emx-bar-label{display:block}\n      .emx6218 .emx-bar-label span{display:block;margin-top:1px}\n      .emx6218 .emx-package{grid-template-columns:1fr}\n      .emx6218 .emx-details summary{align-items:flex-start;flex-wrap:wrap}\n      .emx6218 .emx-details .emx-meta{margin-left:0;width:calc(100% - 30px)}\n    }\n  \u003c\/style\u003e\n\n  \u003csection class=\"emx-hero\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-hero-grid\"\u003e\n        \u003cdiv\u003e\n          \u003cdiv class=\"emx-series\"\u003e\n\u003cb\u003eECO II SERIES\u003c\/b\u003e \/ HEAVY-LIFT POWER\u003c\/div\u003e\n          \u003cdiv class=\"emx-kicker\"\u003eBrushless Motor Platform\u003c\/div\u003e\n          \u003ch2\u003eEMAX ECO II \u003cspan\u003e6218\u003c\/span\u003e\n\u003c\/h2\u003e\n          \u003cp class=\"emx-lede\"\u003eThe EMAX ECO II 6218 is a high-torque external-rotor brushless motor for 18- to 22-inch multirotor propellers. Two 12S winding options—180KV and 200KV—use a 24N28P architecture, Ø69.3 × 66.2mm body, M6 threaded propeller shaft and 30 × 30mm mounting pattern. At 431g with wire, it is engineered for large FPV aircraft and heavy-lift propulsion systems.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"emx-hero-side\"\u003e\n          \u003cstrong\u003eTwo 12S power profiles.\u003c\/strong\u003e\n          \u003cspan\u003e180KV for 18- to 22-inch propellers.\u003c\/span\u003e\n          \u003cspan\u003e200KV for 18- to 21-inch propellers.\u003c\/span\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"emx-stat-grid\" aria-label=\"EMAX ECO II 6218 key specifications\"\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eMotor weight\u003c\/small\u003e\u003cstrong\u003e431g\u003c\/strong\u003e\u003cspan\u003eIncluding silicone wire\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eSystem voltage\u003c\/small\u003e\u003cstrong\u003e12S\u003c\/strong\u003e\u003cspan\u003eBoth KV windings\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003ePropeller\u003c\/small\u003e\u003cstrong\u003e18–22\"\u003c\/strong\u003e\u003cspan\u003eKV-dependent propeller range\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-stat\"\u003e\n\u003csmall\u003eFramework\u003c\/small\u003e\u003cstrong\u003e24N28P\u003c\/strong\u003e\u003cspan\u003eHeavy-lift outrunner architecture\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 6218 heavy-lift motor infographic\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-bbbbf92d-7476-4746-9378-625279d9c776.png?v=1787784688\" alt=\"EMAX ECO II 6218 heavy-lift brushless motor for 18- to 22-inch multirotor propellers\" loading=\"eager\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003eLarge-prop 12S propulsion.\u003c\/b\u003e The supplied 180KV bench data records up to 14.169kg thrust at 47.66V with a JXF 22 × 10 carbon-fiber two-blade propeller.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n        \u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e01 \/ KV Selection\u003c\/div\u003e\n\u003ch3\u003eMatch voltage and winding to the aircraft.\u003c\/h3\u003e\n\u003c\/div\u003e\n        \u003cp\u003ePublished electrical limits and tested thrust values are transcribed from the official EMAX product specification and load-test sheets.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"emx-kv-grid\"\u003e\n        \u003carticle class=\"emx-kv-card\"\u003e\n          \u003cdiv class=\"emx-num\"\u003e180\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e12S \/ 18- to 22-inch propeller\u003cbr\u003eLower-KV winding for the widest propeller range.\u003c\/div\u003e\n          \u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e73.7A\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e3510W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e42mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.3A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 14.169kg thrust at 47.66V with JXF 22 × 10 CF two-blade; 73.66A \/ 3510.6W.\u003c\/div\u003e\n        \u003c\/article\u003e\n        \u003carticle class=\"emx-kv-card\"\u003e\n          \u003cdiv class=\"emx-num\"\u003e200\u003cspan\u003eKV\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-use\"\u003e12S \/ 18- to 21-inch propeller\u003cbr\u003eHigher-RPM winding for strong large-prop output.\u003c\/div\u003e\n          \u003cdiv class=\"emx-kv-data\"\u003e\n\u003cdiv\u003e\n\u003csmall\u003ePeak current\u003c\/small\u003e\u003cstrong\u003e79A\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eMax power\u003c\/small\u003e\u003cstrong\u003e3765W\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eResistance\u003c\/small\u003e\u003cstrong\u003e39mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003csmall\u003eIdle current\u003c\/small\u003e\u003cstrong\u003e1.5A @ 10V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"emx-tested\"\u003e\n\u003cb\u003eBench highlight:\u003c\/b\u003e 13.857kg thrust at 47.65V with HQ 20 × 10 three-blade; 79.02A \/ 3765.3W.\u003c\/div\u003e\n        \u003c\/article\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 6218 KV guide comparing propeller range and tested thrust\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame emx-media-detail\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-c04f5b9f-5029-4a8d-9cb6-d3f0fa65b278.png?v=1787784700\" alt=\"EMAX ECO II 6218 selection guide for 180KV and 200KV 12S motors\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-swipe\"\u003eSwipe horizontally to compare both KV options\u003c\/div\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003eChoose from the complete aircraft backward.\u003c\/b\u003e Match motor KV to battery voltage, propeller load, ESC rating, aircraft mass, airflow and required thrust. Published ranges are selection guidance; validate the final power system under realistic thermal conditions.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\" style=\"background:#090b0d\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n        \u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e02 \/ Performance Envelope\u003c\/div\u003e\n\u003ch3\u003eMaximum tested thrust by KV.\u003c\/h3\u003e\n\u003c\/div\u003e\n        \u003cp\u003eEach bar shows the highest thrust recorded in the official test sheet for that winding. Both bars share a 14.169kg scale.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"emx-bars\" aria-label=\"Maximum tested thrust for each EMAX ECO II 6218 KV option\"\u003e\n        \u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e180KV\u003c\/strong\u003e\u003cspan\u003e47.66V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\u003cdiv class=\"emx-fill\" style=\"width:100%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e14.169kg\u003c\/div\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-bar-row\"\u003e\n\u003cdiv class=\"emx-bar-label\"\u003e\n\u003cstrong\u003e200KV\u003c\/strong\u003e\u003cspan\u003e47.65V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"emx-track\"\u003e\u003cdiv class=\"emx-fill\" style=\"width:97.8%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"emx-bar-value\"\u003e13.857kg\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cp class=\"emx-caption\"\u003eMaximum values were recorded with a JXF 22 × 10 CF two-blade propeller for 180KV and an HQ 20 × 10 three-blade propeller for 200KV. Bench results are configuration-dependent.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-kicker\"\u003e03 \/ Construction\u003c\/div\u003e\n\u003ch3\u003eLarge outrunner hardware built around precision support.\u003c\/h3\u003e\n      \u003cdiv class=\"emx-feature-grid\"\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e01 \/ SHAFT\u003c\/div\u003e\n\u003ch4\u003eSteel Shaft\u003c\/h4\u003e\n\u003cp\u003eA 6mm bearing section supports the rotating assembly, while the M6 CW threaded propeller interface provides secure retention.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e02 \/ FINISH\u003c\/div\u003e\n\u003ch4\u003eAnodized Structure\u003c\/h4\u003e\n\u003cp\u003eAnodized metal surfaces provide a durable finish for regular installation and service.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e03 \/ MOUNT\u003c\/div\u003e\n\u003ch4\u003e30 × 30mm Pattern\u003c\/h4\u003e\n\u003cp\u003eA four-hole 30 × 30mm pattern accepts M4 mounting hardware at the airframe interface.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e04 \/ WINDING\u003c\/div\u003e\n\u003ch4\u003eMulti-Strand Winding\u003c\/h4\u003e\n\u003cp\u003eMulti-strand winding is specified for the high-current operating range of this large outrunner.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e05 \/ BEARING\u003c\/div\u003e\n\u003ch4\u003ePrecision Bearing Support\u003c\/h4\u003e\n\u003cp\u003eConcentric bearing support promotes smooth shaft rotation under sustained large-propeller load.\u003c\/p\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-feature\"\u003e\n\u003cdiv class=\"emx-index\"\u003e06 \/ LEADS\u003c\/div\u003e\n\u003ch4\u003e400mm 14 AWG Wire\u003c\/h4\u003e\n\u003cp\u003eLong, heavy-gauge silicone motor leads provide routing flexibility in large-aircraft installations.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"Exploded EMAX ECO II 6218 external-rotor motor construction diagram\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame emx-media-detail\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-2eb32c4b-ada8-49f7-96f6-8ca47344d08b.png?v=1787784670\" alt=\"Exploded EMAX ECO II 6218 motor showing M6 steel propeller shaft, full-height 28-pole magnet ring, 24-slot copper-wound stator, precision bearing and four-hole 30 by 30 millimeter motor mount\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-swipe\"\u003eSwipe horizontally to inspect the component callouts\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\" style=\"background:#090b0d\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-kicker\"\u003e04 \/ Mechanical Data\u003c\/div\u003e\n\u003ch3\u003e6218 geometry and installation details.\u003c\/h3\u003e\n      \u003cdiv class=\"emx-spec-layout\"\u003e\n        \u003ctable class=\"emx-spec-table\" aria-label=\"EMAX ECO II 6218 mechanical specifications\"\u003e\u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eMotor model\u003c\/th\u003e\n\u003ctd\u003eEMAX ECO II 6218\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFramework\u003c\/th\u003e\n\u003ctd\u003e24N28P\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eMotor diameter\u003c\/th\u003e\n\u003ctd\u003eØ69.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor length\u003c\/th\u003e\n\u003ctd\u003e66.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e431g with wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing shaft\u003c\/th\u003e\n\u003ctd\u003eØ6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003ePropeller shaft\u003c\/th\u003e\n\u003ctd\u003eM6 threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft direction\u003c\/th\u003e\n\u003ctd\u003eCW thread\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eMounting pattern\u003c\/th\u003e\n\u003ctd\u003e30 × 30mm, four M4 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor leads\u003c\/th\u003e\n\u003ctd\u003e400mm 14 AWG silicone wire\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003ePropeller specification\u003c\/th\u003e\n\u003ctd\u003e18–22 inches, KV-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKV options\u003c\/th\u003e\n\u003ctd\u003e180KV \/ 200KV\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\u003c\/table\u003e\n        \u003cdiv class=\"emx-spec-callout\"\u003e\n\u003cstrong\u003eOne platform, \u003cspan\u003etwo 12S profiles.\u003c\/span\u003e\u003c\/strong\u003e\u003cp\u003eThe shared mechanical package lets builders select 180KV or 200KV around the intended propeller load without changing the 30 × 30mm four-hole airframe interface.\u003c\/p\u003e\n\u003cp\u003eThe 180KV winding supports the broadest published propeller range, while 200KV provides the higher-RPM choice for 18- to 21-inch propellers.\u003c\/p\u003e\n\u003cp\u003e\u003cb style=\"color:#fff\"\u003eInstallation note:\u003c\/b\u003e Confirm frame clearance, screw engagement, propeller retention, ESC headroom and cooling before operation.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 6218 heavy-lift motor platform graphic\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-866c005f-93f9-44a8-b3c8-4703a6f1f0ee.png?v=1787784680\" alt=\"EMAX ECO II 6218 heavy-lift motor platform for 18- to 22-inch aircraft\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003eSerious lift with practical value.\u003c\/b\u003e The ECO II 6218 combines a 24N28P heavy-lift platform with two 12S winding choices for builders matching propeller size, current and thrust targets.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e05 \/ Electrical Specifications\u003c\/div\u003e\n\u003ch3\u003eKV-specific operating limits.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eUse only the published voltage and propeller range for the selected winding. Confirm ESC current capability and thermal headroom for the complete aircraft.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 6218 electrical specifications by KV\"\u003e\n        \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eKV\u003c\/th\u003e\n\u003cth\u003eCells\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eIdle Current\u003c\/th\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003ePeak Current\u003c\/th\u003e\n\u003cth\u003eMax Power\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e180KV\u003c\/td\u003e\n\u003ctd\u003e12S\u003c\/td\u003e\n\u003ctd\u003e18–22\"\u003c\/td\u003e\n\u003ctd\u003e1.3A @ 10V\u003c\/td\u003e\n\u003ctd\u003e42mΩ\u003c\/td\u003e\n\u003ctd\u003e73.7A\u003c\/td\u003e\n\u003ctd\u003e3510W\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e200KV\u003c\/td\u003e\n\u003ctd\u003e12S\u003c\/td\u003e\n\u003ctd\u003e18–21\"\u003c\/td\u003e\n\u003ctd\u003e1.5A @ 10V\u003c\/td\u003e\n\u003ctd\u003e39mΩ\u003c\/td\u003e\n\u003ctd\u003e79A\u003c\/td\u003e\n\u003ctd\u003e3765W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\" style=\"background:#090b0d\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-heading-row\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"emx-kicker\"\u003e06 \/ Bench Data\u003c\/div\u003e\n\u003ch3\u003eMaximum recorded propeller results.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe expandable tables show the final, highest-load row from each propeller set in the supplied workbooks.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdetails class=\"emx-details\"\u003e\u003csummary\u003e\u003cspan\u003e180KV Load-Test Highlights\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e48V \/ Five propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 6218 180KV maximum load test data\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.73V\u003c\/td\u003e\n\u003ctd\u003eGF 18 × 10, 3-blade\u003c\/td\u003e\n\u003ctd\u003e61.89A\u003c\/td\u003e\n\u003ctd\u003e11,533g\u003c\/td\u003e\n\u003ctd\u003e2954.0W\u003c\/td\u003e\n\u003ctd\u003e3.90g\/W\u003c\/td\u003e\n\u003ctd\u003e7,080\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.72V\u003c\/td\u003e\n\u003ctd\u003eHQ 20 × 10, 3-blade\u003c\/td\u003e\n\u003ctd\u003e64.63A\u003c\/td\u003e\n\u003ctd\u003e12,384g\u003c\/td\u003e\n\u003ctd\u003e3084.1W\u003c\/td\u003e\n\u003ctd\u003e4.02g\/W\u003c\/td\u003e\n\u003ctd\u003e7,017\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.74V\u003c\/td\u003e\n\u003ctd\u003eFL 21 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e59.87A\u003c\/td\u003e\n\u003ctd\u003e12,248g\u003c\/td\u003e\n\u003ctd\u003e2858.2W\u003c\/td\u003e\n\u003ctd\u003e4.29g\/W\u003c\/td\u003e\n\u003ctd\u003e7,109\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.69V\u003c\/td\u003e\n\u003ctd\u003eFL 22 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e68.80A\u003c\/td\u003e\n\u003ctd\u003e13,539g\u003c\/td\u003e\n\u003ctd\u003e3281.1W\u003c\/td\u003e\n\u003ctd\u003e4.13g\/W\u003c\/td\u003e\n\u003ctd\u003e6,951\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.66V\u003c\/td\u003e\n\u003ctd\u003eJXF 22 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e73.66A\u003c\/td\u003e\n\u003ctd\u003e14,169g\u003c\/td\u003e\n\u003ctd\u003e3510.6W\u003c\/td\u003e\n\u003ctd\u003e4.04g\/W\u003c\/td\u003e\n\u003ctd\u003e6,866\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eMaximum-throttle row from each official 180KV propeller series.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n      \u003cdetails class=\"emx-details\"\u003e\u003csummary\u003e\u003cspan\u003e200KV Load-Test Highlights\u003c\/span\u003e\u003cspan class=\"emx-meta\"\u003e48V \/ Six propellers\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"emx-detail-pad\"\u003e\n\u003cdiv class=\"emx-table-scroll\"\u003e\u003ctable class=\"emx-load-table\" aria-label=\"EMAX ECO II 6218 200KV maximum load test data\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003cth\u003ePropeller\u003c\/th\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003cth\u003eThrust\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.75V\u003c\/td\u003e\n\u003ctd\u003eHQ 18 × 9, 3-blade\u003c\/td\u003e\n\u003ctd\u003e60.63A\u003c\/td\u003e\n\u003ctd\u003e11,147g\u003c\/td\u003e\n\u003ctd\u003e2895.1W\u003c\/td\u003e\n\u003ctd\u003e3.85g\/W\u003c\/td\u003e\n\u003ctd\u003e7,672\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.68V\u003c\/td\u003e\n\u003ctd\u003eGF 18 × 10, 3-blade\u003c\/td\u003e\n\u003ctd\u003e71.92A\u003c\/td\u003e\n\u003ctd\u003e12,413g\u003c\/td\u003e\n\u003ctd\u003e3429.1W\u003c\/td\u003e\n\u003ctd\u003e3.62g\/W\u003c\/td\u003e\n\u003ctd\u003e7,463\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.65V\u003c\/td\u003e\n\u003ctd\u003eHQ 20 × 10, 3-blade\u003c\/td\u003e\n\u003ctd\u003e79.02A\u003c\/td\u003e\n\u003ctd\u003e13,857g\u003c\/td\u003e\n\u003ctd\u003e3765.3W\u003c\/td\u003e\n\u003ctd\u003e3.68g\/W\u003c\/td\u003e\n\u003ctd\u003e7,338\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.78V\u003c\/td\u003e\n\u003ctd\u003eFL 19 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e54.02A\u003c\/td\u003e\n\u003ctd\u003e10,213g\u003c\/td\u003e\n\u003ctd\u003e2581.1W\u003c\/td\u003e\n\u003ctd\u003e3.96g\/W\u003c\/td\u003e\n\u003ctd\u003e7,804\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.74V\u003c\/td\u003e\n\u003ctd\u003eFL 20 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e60.71A\u003c\/td\u003e\n\u003ctd\u003e11,309g\u003c\/td\u003e\n\u003ctd\u003e2898.3W\u003c\/td\u003e\n\u003ctd\u003e3.90g\/W\u003c\/td\u003e\n\u003ctd\u003e7,671\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd class=\"emx-v\"\u003e47.69V\u003c\/td\u003e\n\u003ctd\u003eFL 21 × 10 CF, 2-blade\u003c\/td\u003e\n\u003ctd\u003e70.58A\u003c\/td\u003e\n\u003ctd\u003e13,123g\u003c\/td\u003e\n\u003ctd\u003e3366.0W\u003c\/td\u003e\n\u003ctd\u003e3.90g\/W\u003c\/td\u003e\n\u003ctd\u003e7,486\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"emx-test-note\"\u003eMaximum-throttle row from each official 200KV propeller series.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-media-section\" aria-label=\"EMAX ECO II 6218 package contents\"\u003e\n    \u003cdiv class=\"emx-media-wrap\"\u003e\n      \u003cfigure class=\"emx-media-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-f092ddd7-8fdd-4755-9c4a-1a57527e7bbf.png?v=1787784711\" alt=\"EMAX ECO II 6218 motor package with M4 mounting screws, steel M6 nylock nut, propeller shaft sleeve and paddle gasket\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n      \u003cdiv class=\"emx-media-copy\"\u003e\u003cp\u003e\u003cb\u003ePackage contents:\u003c\/b\u003e one EMAX ECO II 6218 brushless motor, four M4 × 14mm mounting screws, one steel M6 nylock nut, one propeller shaft sleeve and one paddle gasket.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"emx-section\"\u003e\n    \u003cdiv class=\"emx-wrap\"\u003e\n      \u003cdiv class=\"emx-kicker\"\u003e07 \/ In The Box\u003c\/div\u003e\n\u003ch3\u003eMotor and propeller-retention hardware included.\u003c\/h3\u003e\n      \u003cdiv class=\"emx-package\"\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003eEMAX ECO II 6218 brushless motor\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e4×\u003c\/strong\u003e\u003cspan\u003eM4 × 14mm mounting screws\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003eSteel M6 nylock nut\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003ePropeller shaft sleeve\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"emx-package-item\"\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e\u003cspan\u003ePaddle gasket\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003cfooter class=\"emx-foot\"\u003e\u003cdiv class=\"emx-wrap\"\u003e\u003cp\u003e\u003cb\u003eBench-test note:\u003c\/b\u003e Performance values are measured test data, not guaranteed aircraft-level performance. Current draw, thrust, efficiency, RPM and temperature vary with propeller, battery voltage and sag, ESC behavior, airflow, ambient conditions and test equipment. Select the motor winding, propeller, ESC, battery and cooling appropriate for the complete aircraft.\u003c\/p\u003e\u003c\/div\u003e\u003c\/footer\u003e\n\u003c\/div\u003e\n","brand":"Emax USA","offers":[{"title":"180KV","offer_id":48192812810476,"sku":null,"price":96.99,"currency_code":"USD","in_stock":false},{"title":"200KV","offer_id":48192812843244,"sku":null,"price":96.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOII6218_13.png?v=1787082428"}],"url":"https:\/\/shop.emax-usa.com\/collections\/x-class-industrial-motors.oembed","provider":"Emax USA","version":"1.0","type":"link"}