Rotary wing aircraft mast arrangement

Details Rotary wing aircraft mast arrangement Rotary wing aircraft mast arrangement

1977-05-23

1978-11-28

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

244 1727, 416142, 416244R, B64C 2722

Patent

active

041272447

ABSTRACT:
A universally flexible rotor mast for a rotary wing aircraft wherein the universal flexing of the mast is accomplished by the use of multiple elastomer mounts of elastomer metal plate sandwich formation and with high strength cables embedded in the elastomer and anchored to opposing metal plates of the sandwich mounts. A static on-ground rotor mast lock is employed to secure the rotor mast in an upright position, the mast lock is used in conjunction with the elastomer mounts of the flexible mast.

REFERENCES:
patent: 3050274 (1962-08-01), Haight
patent: 3612506 (1971-10-01), Malherbe
patent: 3762667 (1973-10-01), Pender
patent: 3920202 (1975-11-01), Mouille

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