1.High efficient brushless motor for 500 Class electric helicopter, it performs superior torque and power with 6S Lipo pack for T-REX 500 helicopter, great economical and efficient choice. 2.Maintenance free, high torque, high efficiency, stable and quiet. 3.High-speed ball bearings, powerful magnetic outrunner rotor. 4.These new brushless motors are designed with a new radiator system. The motors are built with an integrated cooling fan and has air ingress/egress vents, circulating cool air inside the rotor continuously. The motors efficiently lower operating temperature.
