{"product_id":"emax-e3-3115-brushless-motor","title":"EMAX E3 3115 Brushless Motor","description":"\u003ch2\u003eEMAX E3 3115 Brushless Motor\u003c\/h2\u003e\n\u003cp\u003eThe EMAX E3 3115 is a high-efficiency, compact brushless motor engineered for long-range FPV cruisers, 5\" cinewhoops, and UAV platforms running 8\"–10\" 3-blade propellers on 4S to 12S battery configurations. Built around a 12N14P stator with a Ø38.8 × 48.6mm profile, 5mm steel shaft with M5 prop adapter thread, and a tight 4×M3 Ø19mm bolt circle, the E3 3115 fits a wide range of airframes while delivering up to 2195W peak power. Four KV options from 400KV to 1050KV cover everything from high-voltage 12S long-range builds to punchy 4S platforms. Al 7075 anodized construction with G1 precision bearings and single-strand winding for smooth, reliable power.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStator configuration: 12N14P\u003c\/li\u003e\n\u003cli\u003eAvailable KV ratings: 400KV \/ 640KV \/ 900KV \/ 1050KV\u003c\/li\u003e\n\u003cli\u003eOptimized for 8\"–10\" 3-blade propellers on 4S–12S builds\u003c\/li\u003e\n\u003cli\u003e5mm steel bearing shaft with CW thread\u003c\/li\u003e\n\u003cli\u003eM5 prop adapter shaft thread\u003c\/li\u003e\n\u003cli\u003e4×M3 Ø19mm bolt circle mounting pattern\u003c\/li\u003e\n\u003cli\u003e270mm 18AWG silicone wire leads\u003c\/li\u003e\n\u003cli\u003eG1 precision bearings, Al 7075 anodizing\u003c\/li\u003e\n\u003cli\u003eSingle-strand winding for smooth power delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKV \/ Cell \/ Propeller Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e400KV\u003c\/strong\u003e — 10–12S — 10\" 3-blade (GF1050, HQ1050) | Max Power: 1728W @ 12S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e640KV\u003c\/strong\u003e — 6–8S — 10\" 3-blade (GF1050, HQ1050) | Max Power: 1888W @ 8S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e900KV\u003c\/strong\u003e — 4–6S — 8\"–10\" 3-blade (HQ9050, GF1050, HQ1050) | Max Power: 1910W @ 6S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1050KV\u003c\/strong\u003e — 4–6S — 8\"–9\" 3-blade (GF9045, HQ9050) | Max Power: 2195W @ 6S\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor Model: E3 3115\u003c\/li\u003e\n\u003cli\u003eFramework: 12N14P\u003c\/li\u003e\n\u003cli\u003eDimensions: Ø38.8 × 48.6mm\u003c\/li\u003e\n\u003cli\u003eWeight (W\/O silicone wire): 400KV=109g \/ 640KV=111g \/ 900KV=108g \/ 1050KV=110g\u003c\/li\u003e\n\u003cli\u003eBearing Shaft: 5mm\u003c\/li\u003e\n\u003cli\u003eProp Adapter Shaft Thread: M5\u003c\/li\u003e\n\u003cli\u003eShaft Thread: CW\u003c\/li\u003e\n\u003cli\u003eLead: 18AWG 270mm silicone wire\u003c\/li\u003e\n\u003cli\u003eMounting: 4×M3, Ø19mm bolt circle\u003c\/li\u003e\n\u003cli\u003eKV Options: 400KV \/ 640KV \/ 900KV \/ 1050KV\u003c\/li\u003e\n\u003cli\u003ePeak Current (400KV @ 12S): 36A | Max Power: 1728W\u003c\/li\u003e\n\u003cli\u003ePeak Current (640KV @ 8S): 59A | Max Power: 1888W\u003c\/li\u003e\n\u003cli\u003ePeak Current (900KV @ 6S): 77A | Max Power: 1925W\u003c\/li\u003e\n\u003cli\u003ePeak Current (1050KV @ 6S): 88A | Max Power: 2200W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5× M3×10 screws\u003c\/li\u003e\n\u003cli\u003e1× Aluminum M5 nylock nut\u003c\/li\u003e\n\u003cli\u003e1× Washer and screw for shaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115Motor_basic_information_V1.0.png?v=1787086281\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115Motor_specifications_V1.0.png?v=1787086310\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115-1050KV_Load_test_parameters_V1.0.png?v=1787086443\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115-900KV_Load_test_parameters_V1.0.png?v=1787086454\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115-640KV_Load_test_parameters_V1.0.png?v=1787086463\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115-400KV_Load_test_parameters_V1.0.png?v=1787086470\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Emax USA","offers":[{"title":"400KV","offer_id":48192575144172,"sku":null,"price":49.89,"currency_code":"USD","in_stock":false},{"title":"640KV","offer_id":48192575176940,"sku":null,"price":49.89,"currency_code":"USD","in_stock":false},{"title":"900KV","offer_id":48192575209708,"sku":null,"price":49.89,"currency_code":"USD","in_stock":false},{"title":"1050KV","offer_id":48192575242476,"sku":null,"price":49.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/ECOIII-3115_10.jpg?v=1787086114","url":"https:\/\/shop.emax-usa.com\/products\/emax-e3-3115-brushless-motor","provider":"Emax USA","version":"1.0","type":"link"}