Power 32 Brushless Outrunner Motor, 770KvKey Features Equivalent to a 30 to 36 size glow engine for sport and scale airplanes weighing 3. 56 lb (1. 62. 7 kg) Ideal for 25 to 36 size 3D airplanes up to 4. 5 lb (2 kg) Ideal for models requiring up to 800 watts of power High torque, direct drive alternative to inrunner brushless motors Includes mount, prop adapter and mounting hardware Quite, lightweight operation External radial rotor design5mm shaft can easily be reversed for alternative