A2212 1400kv BLDC brushless dc motor is widely used for airplane aircraft quad copter. This motor comes with 80 maximum efficiency, 4 10a max current efficiency, and 16a to 60s current capacity. If you are looking about your quadcopter performance, look no further than the a2212. Built with high end magnets, a high pole count and custom motor mount, this motor is designed purely for multi rotor applications. The a2212 includes an integrated prop adaptor for use with many different style props featuring a 4mm shaft and adaptor sleeves for 5mm to 6mm props. It also has an in built aluminum mount for quick and easy installation on your quadcopter frame. This is not a modified airplane out a runner. It was designed from the ground up specifically for multi rotor applications.