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"an autogiro is supported in flight by unpowered rotating wings"not having or using powerOpposite:
Definition that contains unpowered
- autogiro an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
- autogyro an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
- gyroplane an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller