Airplane with two superposed wings

Details Airplane with two superposed wings Airplane with two superposed wings

1976-09-15

1978-05-23

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

B64C 306

Patent

active

040906817

ABSTRACT:
This invention relates to an improvement in an airplane having two superposedly-arranged upper and lower sweptback wings which together form a closed frame, with reference to a front view thereof, the improvement comprising a rhombic shape of the frame with the upper wing having a negative V-position and the lower wing having a positive V-position, both of the wings being rearwardly sweptback, and the upper wing being more markedly sweptback than the lower wing, and at least the leading edge of the upper wing being positioned forward of the lower wing.

REFERENCES:
patent: 1453830 (1923-05-01), Coakley
patent: 2461805 (1949-02-01), Barker
patent: 2576294 (1951-11-01), Geraci
patent: 2777655 (1957-01-01), Graham
patent: 3834654 (1974-09-01), Miranda
patent: 3981460 (1976-09-01), Ratony

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