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Gyrocopter

The Gyrocopter is an aircraft that derives its lift from a freewheeling, unpowered rotor mounted on a gimble type rotor hub with horizontal thrust provided by a separate engine turning a standard fixed wing type aircraft propeller. The gyrocopter is neither an airplane nor a helicopter. Rather, it incorporates a freewheeling rotor in place of a fixed wing. The airflow passing upwardly through the rotor blades provides lift for the aircraft by forcing the rotors to turn in autorotation. The mast is located to provide a proper aircraft center of gravity, required for stable flight. A small motor is provided for bringing the rotor blades up to flight speed with the aircraft on the ground. It has a rotor blade pitch control system that allows a pilot to both select and maintain the rotor blade angle of attack and provides for releasably locking in place the rotor blade angle of attack position on the ground and in flight. It's simple design makes for easy construction by using many off the shelf components and a variety of engines. Drawings and instructions.

PAC3221....................$15.00

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