Auxiliary wing tips for an aircraft

Details Auxiliary wing tips for an aircraft Auxiliary wing tips for an aircraft

1986-03-13

1988-02-02

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 91, 244 45R, B64C 508

Patent

active

047224991

ABSTRACT:
Auxiliary winglets or control surfaces for aircraft wings are tiltable ab an axis extending in the flight direction and about an axis extending substantially perpendicularly to the flight direction. The auxiliary wing tips have a configuration which assure a wing surface continuity, especially when the tips are in their normal wing extending position, but also in any other position of the winglets. Additionally, at least the leading auxiliary winglets are located upstream of the elastic wing axis, as viewed in the flight direction and they have a forward sweep or negative sweepback. The combination of these features permits a simultaneous reduction of induced drag and of stress caused by wind gusts, and for increasing the effectiveness of the wing's ailerons. Thus, these auxiliary winglets have three advantages simultaneously.

REFERENCES:
patent: 2537369 (1951-01-01), Ostroff
patent: 4455004 (1984-06-01), Whitaker, Sr.

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