Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1980-10-07
1983-04-26
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244219, B64C 350
Patent
active
043810934
ABSTRACT:
An airfoil having a trailing edge flap assembly comprising a flap member which in its stowed position is located above a fixed mounting structure. There is a rear pivot link connected at its lower end to the mounting structure and by its upper end to an aft portion of the flap. There is a forward slideway by which the forward part of the flap is mounted for longitudinal slide motion relative to the fixed mounting structure. The flap has a stowed position in the rear portion of the wing, and is movable rearwardly with substantial Fowler motion to an intermediate position for take-off, and movable further rearwardly to a fully extended position where the flap extends rearwardly and downwardly for take-off.
REFERENCES:
patent: 2836380 (1958-05-01), Pearson
patent: 3767140 (1973-10-01), Johnson
patent: 4180222 (1979-12-01), Thornburg
patent: 4248395 (1981-02-01), Cole
Barefoot Galen L.
Donahue Bernard A.
Hartmann H. Gus
The Boeing Company
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