Tethered autogyro

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes

Patent

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Details

244 1711, B64C 2752, B64C 2700

Patent

active

059969342

ABSTRACT:
A tethered autogyro including means for tilting the autogyro rotor to compensate for differences in relative air pressure on rotor blades while minimizing frictional pressures restricting rotor rotation. The autogyro includes a fuselage; a rotor mast having a lower end attached to the fuselage and a rearwardly tilted upper section; upper and lower retainers separated by a given distance on the mast upper section; and a tiltable rotor mounted on the mast between the retainers, the rotor including a hub having a vertical dimension greater than the given distance, and rotor blades attached to the hub. The hub includes a mast receiving bore that increases in diameter from an upper circular edge having a diameter approximately equal to the diameter of the mast to a lower opening that has a diameter in at least one direction larger than the diameter of the mast.

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