This A2212/5T 2450KV Brushless DC Motor For RC Quadcopters Planes Boats Vehicles and DIY Kits. 5T (BLDC) BRUSHLESS DC MOTOR is one of the most popular high-speed brushless motor designed specifically for RC hobbyists. The motor is outrunner type where outside case rotates while inside stays fixed. It is one of the popular models in the market because it’s low cost. It is preferred for small drones and planes. The motor features a 3.17mm hardened steel shaft and dual ball bearings for a smooth and steady rotating motion. A bullet type propeller adapter and cross motor mount are included. As it is a -phase motor, speed and efficiency are high.