EMAX E3 2814 Brushless Motor

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EMAX / ECO III SERIES

EMAX ECO III 2814

A compact 12N14P external-rotor platform for 8- to 10-inch FPV aircraft, available in 850KV and 1100KV for controlled torque or agile response.

Built for high power that lasts.AL7075 anodized construction, steel shaft, precision bearing support, 3–6S operation and verified peak output up to 1,895W.
Framework12N14PExternal-rotor architecture
Motor size35.1 × 45.5Millimeters
Weight range81–82 gWithout silicone wire
Propeller range8–10 inVariant dependent
EMAX ECO III 2814 brushless motor built for durable high-power FPV operation
01 / Choose Your KV

Two windings for 3S through 6S systems.

Choose the winding around the complete aircraft, propeller, ESC, battery and cooling requirements.

850KV3–6S · 9–10-inch propeller · up to 1,460W
1100KV3–6S · 8–9-inch propeller · up to 1,895W
EMAX ECO III 2814 KV selection guide for 850KV and 1100KV
02 / Maximum Bench Results

Highest recorded thrust in each supplied test sheet.

KV Test propeller Voltage Current Thrust Power
850KV GF 10×5×3 25 V 58.4 A 3940 g 1460 W
1100KV GF 9×4.5×3 25 V 75.8 A 4080 g 1895 W

Maximum-throttle bench results from the supplied EMAX load-test sheets. Results are configuration-dependent and are not guaranteed aircraft-level performance.

03 / Motor Construction

Material choices focused on durability and response.

The ECO III 2814 combines an AL7075 anodized housing, steel shaft, single-strand copper winding and G1-level precision bearing support in a compact external-rotor platform.

Exploded EMAX ECO III 2814 construction showing steel shaft, anodized housing, 12N14P stator, copper winding and precision bearing
04 / Platform Details

Compact 2814 geometry with a 19 × 19 mm mounting pattern.

Framework 12N14P
Overall dimensions Ø35.1 × 45.5 mm
Variant weight 81–82 g without silicone wire
Propeller shaft M5 clockwise thread
Bearing shaft 5 mm
Mounting pattern 19 × 19 mm, M3
Leads 270 mm, 18 AWG silicone wire
AL7075 housingAnodized aluminum rotor construction.
Steel shaftM5 clockwise propeller thread.
Precision bearingG1-level rolling-element specification.
Two power profiles850KV and 1100KV.
EMAX ECO III 2814 compact high-performance FPV motor platform
05 / Electrical Specifications

Published limits by winding.

KV Cells Propeller Weight Idle current at 10 V Resistance Peak current Maximum power
850KV 3–6S 9–10 in 82 g 1.3 A 61 mΩ 58.4 A at 6S 1460 W at 6S
1100KV 3–6S 8–9 in 81 g 1.8 A 45 mΩ 75.8 A at 6S 1895 W at 6S

Weights exclude silicone wire.

06 / In The Box

Installation hardware included.

EMAX ECO III 2814 motor with five M3 mounting screws, aluminum M5 nylock nut, shaft screw and washer
  • 1 × ECO III 2814 motor
  • 5 × M3 × 10 mounting screws
  • 1 × aluminum M5 nylock nut
  • 1 × shaft screw
  • 1 × washer

Bench-test note: 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. Higher KV, larger propellers and higher voltage increase system load; select the motor winding, propeller, ESC, battery and cooling for the complete aircraft.