You searched for:
“autogiro”
autogyro, autogiro
1. An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift.
2. An aircraft with an unpowered, horizontally rotating propeller on a shaft above the fuselage that provides lift for the machine, with forward propulsion being provided by a conventional propeller: superseded in most applications by the helicopter.
2. An aircraft with an unpowered, horizontally rotating propeller on a shaft above the fuselage that provides lift for the machine, with forward propulsion being provided by a conventional propeller: superseded in most applications by the helicopter.