Aircraft having fixed and pivotal wings

Details Aircraft having fixed and pivotal wings Aircraft having fixed and pivotal wings

1996-02-16

1997-09-30

Kashnikow, Andres

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 39, 244 49, 2441294, B64C 338, B64C 356

Patent

active

056718985

ABSTRACT:
An aircraft having variable airframe geometry includes an elongate fuselage having top and bottom sides, a swept back, high-speed wing mounted to the top of the fuselage, and a high aspect ratio, low-speed wing pivotally mounted adjacent to the bottom of the fuselage. The low-speed wing is adapted to pivot between a slow speed flight position in which a longitudinal axis of the low-speed wing is generally perpendicular to a longitudinal axis of the fuselage, and a high-speed flight position in which the longitudinal axis of the low-speed wing is generally parallel to the longitudinal axis of the fuselage. A fairing extends from the fuselage for receiving at least a portion of the low-speed wing when pivoted into the high-speed flight position. The low-speed wing further includes landing gear.

REFERENCES:
patent: 2601962 (1952-07-01), Douglas
patent: 2793826 (1957-05-01), Fiedler
patent: 3279721 (1966-10-01), Dethman
patent: 3489375 (1970-01-01), Tracy
patent: 3662974 (1972-05-01), Peterson
patent: 3794273 (1974-02-01), Girard
patent: 3971535 (1976-07-01), Jones
patent: 4667898 (1987-05-01), Greenhalgh
patent: 4842218 (1989-06-01), Groutage et al.
patent: 4913378 (1990-04-01), Calvert
patent: 4998689 (1991-03-01), Woodcock
patent: 5118052 (1992-06-01), Alvarez Calderon F
Report entitled Dynamic Stability of Space Vehicles, vol. XII-Re-Entry Vehicle Landing Ability and Control by B.J. Kuchta, 3 pages; dated: 1968.

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