Rotor system for winged aircraft

Details Rotor system for winged aircraft Rotor system for winged aircraft

1989-07-11

1990-12-25

Barefoot, Galen

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

244 8, 244 1713, 244 66, 416142, B64C 2900

Patent

active

049796984

ABSTRACT:
A rotor system for a rotor convertible fixed winged aircraft comprising a rotatable rotor shaft mounted on one of the wings of the aircraft, the shaft tiltable between a substantially vertical position and a substantially horizontal position, a rotor mounted to the shaft and including at least one blade, the blade having an adjustable blade angle relative to the shaft, apparatus for tilting the shaft between the vertical and horizontal positions, controls responsive to the tilting of the shaft for automatically adjusting the blade angle of a blade to an autogyro blade angle when the shaft is in the vertical position and to a substantially feathered blade angle when the shaft is in the horizontal position.

REFERENCES:
patent: 2198941 (1940-04-01), Jacobs
patent: 2224641 (1940-12-01), Burnelli
patent: 3149800 (1964-09-01), Sintos et al.
patent: 3404852 (1968-10-01), Sarnkell et al.
patent: 3627234 (1971-12-01), Dziallas
patent: 3797783 (1974-03-01), Kisovec
patent: 4059247 (1977-11-01), Prewitt

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