A support and actuating system for large Fowler-type flaps on the trailing edge of an aircraft wing. Each flap is vertically and laterally supported at diagonally opposite corners, and the remaining leading-edge corner is vertically supported and laterally free to permit smooth and simple actuation. The flap is constructed to be torsionally stiff to eliminate need for conventional multiple flap tracks and support at the remaining trailing-edge corner. Elimination of some or all external tracks on the wing tracks provides a clean low-drag wing when the fl...
A lift-augmentation system for an aircraft wing, comprising: a lift-augmentation device of generally quadrilateral planform to define four corners; first and second tracks on the aircraft for supporting the device to be movable between extended and retracted positions on the wing, the device having a first spanwise edge which is remote from the wing and a second spanwise edge which is adjacent the wing when the device is in the extended position; first and second couplers disposed at diagonally opposite corners of the device and connecting such corners t...
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