Variable span wing

Details Variable span wing Variable span wing

1977-10-27

1980-01-01

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 36, B64C 354

Patent

active

041812778

ABSTRACT:
A variable span wing in which a movable wing segment is externally mounted to slide along the trailing edge of the stationary main wing. The movable wing segment is extended beyond the span of the main wing at subsonic flight and retracted to the same span at supersonic flight. Extension (or retraction) on one side only provides roll control. Retraction subsonic speeds is utilized to achieve improved ride qualities and a reduction in wing loads at high load factors.

REFERENCES:
patent: 2420433 (1947-05-01), Kraaymes
patent: 2550278 (1951-04-01), Makhonine
patent: 2858091 (1958-10-01), Kapenkin
patent: 3092355 (1963-06-01), Brown

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