Rotor pitch control mechanism

Details Rotor pitch control mechanism Rotor pitch control mechanism

1975-02-10

1976-05-18

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

416167, B64C 2752

Patent

active

039572277

ABSTRACT:
A rotor pitch control mechanism for use with bearingless helicopter rotors is disclosed. The disclosed mechanism eliminates the requirement for vertical motion of the pitch link, thus alleviates the bearingless rotor problem of flapwise motion of the rotor blade in response to pitch control actuator forces. Stabilizing pitch-flap coupling and blade flap restraint is provided.

REFERENCES:
patent: 2234196 (1941-03-01), Prewitt
patent: 3092186 (1963-06-01), MacLean

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