Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1979-05-10
1980-11-25
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244219, 244 45R, 244 46, B64C 338, B64C 344
Patent
active
042354005
ABSTRACT:
An upper and lower member are joined together near the tip. They are hinged near the front and back on the top member. This allows the wings to be opened for high speed, when cruising, and to be closed for take off and landing at a low speed. The exact size and shape of the moveable sections will be dictated by the size of the wing and the distance between the upper and lower wings where they join the fuselage. When the wing reaches a certain speed the drag forces will become more demanding creating a faster movement through the air passages causing a suction at the front of the wings. The ram affect on the front and the suction affect in the back will accomplish two things. It will dissipate the drag that tries to build up at the trailing edge and eliminate the pile up of air at the leading edges of the wing. The air passageways between the wings, when in the open position, will have to be the same size all of the way through the passageways. The Nacelle, which is extremely streamlined, could house the landing gear, but its main purpose in relation to the wing is to brace it and house part of the actuating mechanism for the moveable sections. It is not designed to mount an engine.
REFERENCES:
patent: 1457955 (1923-06-01), Beadle
patent: 1870119 (1932-08-01), Hughes
patent: 2743887 (1956-05-01), Fiedler
patent: 3063659 (1962-11-01), Szerda
patent: 3161374 (1964-12-01), Allred et al.
patent: 3815848 (1974-06-01), Alperin
Barefoot Galen L.
Haworth Juanita June
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