Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Patent
1984-06-21
1987-06-30
Barefoot, Galen
Aeronautics and astronautics
Aircraft, heavier-than-air
Helicopter or auto-rotating wing sustained, i.e., gyroplanes
244139, B64D 2500
Patent
active
046764577
ABSTRACT:
An emergency landing system for an aircraft, particularly a helicopter, in which a plurality of rocket members are mounted on the fuselage of the aircraft and directed downward about the center of gravity of the fuselage. The rocket members are activated to direct upward reactive forces by the energization of a proximity switch located on the fuselage and adapted to sense the ground level when the fuselage has descended within a predetermined elevation above the ground level so that the downward movement of a disabled aircraft is substantially decelerated to provide a soft landing for the aircraft. The landing system may be adapted for use on a fixed wing aircraft by directing the rocket members to exert reactive forces rearward as well as upward to retard the forward as well as downward movement of a disabled fixed wing aircraft.
REFERENCES:
patent: 2395435 (1946-02-01), Thompson et al.
patent: 3138348 (1964-06-01), Stahmer
patent: 3156442 (1964-11-01), Pourchet
Barefoot Galen
Lackey Harrington A.
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