Fly backwards or decelerate during a dive. EVP unit makes 3D planes 4D planes. Includes necessary parts for assembling a 9-3/4" diameter electric variable and reverse pitch propeller. Adapts to airplanes capable of flying with our AXI 2208/34 motor. The unit is designed for use with Model Motors EVP0834 Hollow Shaft AXI 2208/34 Outrunner motor and either a Jeti 12 amp controller or the Jeti 15 amp Helicopter controller with governor mode. Detailed instructions for assembly and set up included.

dont forget about the extra channel you need to operate the *******