Many gyrocopters can clutch the gearbox to the rotor for "jump" takeoff, they ae still classed as gyros because the rotor is unpowered in flight. On the groun

Many gyrocopters can clutch the gearbox to the rotor for "jump" takeoff, they ae still classed as gyros because the rotor is unpowered in flight. On the ground the torque is resisted by the wheel brakes. https://m.youtube.com/watch?v=3RPYWmdv174 https://m.youtube.com/watch?v=3RPYWmdv174