Methods and apparatus for effecting recovery of a high speed air

Details Methods and apparatus for effecting recovery of a high speed air Methods and apparatus for effecting recovery of a high speed air

1976-02-06

1977-08-09

Blix, Trygve M.

Aeronautics and astronautics

Retarding and restraining devices

Aerodynamic retarders

B64D 1780

Patent

active

040405834

ABSTRACT:
A method of effecting recovery of a high speed aircraft from a condition of incipient or developed spin involves, upon entry into the condition, deploying at least one parachute coupled only to the forebody of the aircraft forward of the center of gravity, and is particularly effective in recovering from a flat spin. After recovery, the chute or chutes can be collapsed, released or retracted. The chute is deployed in response to predetermined angle of attack and yaw rate of the aircraft, which may be accomplished automatically under the control of spin condition sensing means. The chute is highly effective because of its location, and hence may be relatively small, the size of the chute, when deployed being such as to have a negligible influence on the free falling rate of sink of the aircraft. The chute or chutes themselves may be conventional, typically of the pilot chute size employed to extract the main chute from a personnel parachute pack, and can be mounted in packed condition on the forebody fuselage or within the fuselage.

REFERENCES:
patent: 1889038 (1932-11-01), Nouslakis
patent: 1890190 (1932-12-01), Papp
patent: 1940950 (1933-12-01), Honeywell
patent: 2631797 (1953-03-01), Smith
patent: 3036795 (1962-05-01), Sinclair

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