Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1984-12-31
1987-10-27
Barefoot, Galen
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244213, 244214, 244210, B64C 2108
Patent
active
047024410
ABSTRACT:
A swept wing having a leading edge flap which in its deployed position forms a slot with the forward end portion of the wing. An elongate strip is positioned on the forward portion of the wing in a manner that when the flap is deployed to form the slot, this strip protrudes into the airstream that passes upwardly through the slot. This creates a stall condition in the area of the strip to produce the desired pitch characteristics for safe recovery from stall. In the cruise configuration, where the flap is positioned against the leading edge of the wing, this strip is aerodynamically concealed.
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Barefoot Galen
The Boeing Company
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