Aeroelastically stable forward swept wing

Details Aeroelastically stable forward swept wing Aeroelastically stable forward swept wing

1999-03-19

2000-09-12

Eldred, J. Woodrow

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 35R, 244 45R, 244123, 244124, B64C 326

Patent

active

061165395

ABSTRACT:
The instant invention generally relates to a forwardly swept wing 10 for an aircraft comprised of a pair of opposed single piece machined aluminum alloy wing boxes 20 and 40. Specifically, the invention provides for a forward swept wing construction utilizing known in the art computer numerical control machining techniques to produce an aluminum alloy wing 10 having an integral leading edge 24 thereby greatly reducing assembly time. A plurality of integral stiffeners 80 oriented at a forwardly swept angle of approximately 12 to 13 degrees between forward 62 and rear 64 spars provides for a wing 10 that minimizes the effects of aeroelastic divergence.

REFERENCES:
patent: 2122709 (1938-07-01), Barkley
patent: 3002717 (1961-10-01), Pavlecka
patent: 3775238 (1973-11-01), Lyman
patent: 3827661 (1974-08-01), Ryan et al.
patent: 4417708 (1983-11-01), Negri
patent: 4741497 (1988-05-01), Fox
patent: 5332178 (1994-07-01), Williams
patent: 5501414 (1996-03-01), Bauer
patent: 5806798 (1998-09-01), Gillandt et al.

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