Check the listing for details. Eflite E-Flite Power 46 Brushless Outrunner Electric RC Motor EFLM4046A 670kv. Condition: New. Listed at 103.99 USD. Power 46 Brushless Outrunner Motor, 670Kv Features: Equivalent to 40- to 46-size glow engine for planes weighing 4 - 7 lb (1.8 - 3.2 kg)Ideal for 25- to 40-size 3D airplanes up to 5 lb (2.2 kg)Ideal for models requiring up to 925 watts of powerHigh-torque, direct-drive alternative to inrunner brushless motorsIncludes mount, prop adapters and mounting hardwareExternal rotor design -6mm shaft can easily be reversed for alternative motor installationsSlotted 14-pole outrunner designHigh-quality construction with ball bearings and hardened steel shaftQuiet, lightweight operation Overview: The Power 46 is designed to deliver clean and quiet power for .40 to 46-size sport and scale airplanes weighing 4 to 7 pounds (1.8 - 3.2 kg), 25- to 40-size 3D airplanes up to 5 pounds (2.2 kg), or models requiring up to 925 watts of power. It's an especially good match for Hangar 9 .40-size trainers like the Alpha .40 (HAN2450), Arrow .40 (HAN2625) and warbirds like the T-34 Mentor 40 (HAN2425). Also a great match for sport planes like the Ultra Stick 40 (HAN1675 or HAN1690), Seagull Spacewalker 40 (SEA2050), and smaller sport 3D planes like the Twist 40 (HAN2650). Needed to Complete: 60A brushless ESC4S - 5S Li-Po or 12- to 16-cell Ni-MH/Ni-Cd12x8 to 14x10 prop