Power 25 BL Outrunner Motor, 870 kV
Key Features
    * Equivalent to a 25-size glow engine for sport and scale airplanes weighing 3–5.5 lb (1.4–2.5 kg)
    * Ideal for 15-size 3D airplanes up to 3.5 pounds (1.6 kilograms)
    * Ideal for models requiring up to 550 watts of power
    * High-torque, direct-drive alternative to inrunner brushless motors
    * Includes mount, prop adapter and mounting hardware
    * External radial rotor design—6mm shaft can easily be reversed for alternative motor installations
    * Slotted 12-pole outrunner design
    * High-quality construction with ball bearings and hardened steel shaft
    * Quite, lightweight operation

Overview
The Power 25 is designed to deliver clean and quiet power for 25-size glow engine for sport and scale airplanes weighing 3- to 5.5-pound (1.4- to 2.5-kilograms), 15-size 3D airplanes up to 3.5 pounds (1.6 kilograms), or models requiring up to 550 watts of power. It's especially a good match for 4-to 5-pound scale airplanes on the market and models such as the Sig Kadet LT-25, Sig Frazer, Lanier Extra 3.25, Global Tequila Sunrise 25, and Great Planes Taylorcraft 20.

 Specifications
    * Type:Brushless Outrunner
    * Size:Replacement for 25-size glow engine
    * Bearings or Bushings:Ball Bearings
    * Wire Gauge:14
    * Recommended Prop Range:11x8 to 14x7
    * Voltage:12 - 16.8
    * RPM/Volt (Kv):870
    * Resistance (Ri):.03 ohms
    * Idle Current (Io):2.40A @ 10V
    * Continuous Current:32A
    * Maximum Burst Current:44A (30 sec)
    * Cells:3S-4S Li-Po or 10-14 Ni-MH/Ni-Cd
    * Speed Control:40A - 45A Brushless
    * Weight:190g (6.7 oz)
    * Overall Diameter:35mm (1.40 in)
    * Shaft Diameter:5mm (.20 in)
    * Overall Length:54mm (2.10 in)

Needed to Complete
40A - 45A Brushless ESC
3S - 4S Li-Po or 10 - 14 Cell Ni-MH/Ni-Cd
11x8 to 14x7 Prop