APPARATUS FOR PRELIMINARY ROTATION OF ROTOR OF 'RADICON (REGISTERED TRADE MARK)' GYROPLANE

摘要

PROBLEM TO BE SOLVED: To forcibly rotate a rotor before starting so as to simply lift off a 'radicon' gyroplane under no wind or weak wind.;SOLUTION: A conical projection is provided at the central part on the top face of the rotor of the 'radicon' gyroplane and the rotor is rotated from the top part by the frictional force of the recessed part of the apex of an output shaft of a motor.;COPYRIGHT: (C)2001,JPO