fowler flap

fowler flap

fowler flap
Fowler flap.
A type of trailing edge flap that moves out of the wings on tracks. These flaps increase the wing area, the chord, and the camber and help in boundarylayer control. They provide maximum additional lift. Fowler flaps are commonly used but have a complicated mechanism.
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To achieve the balance of high-speed, high-altitude cruise and low-speed approach and landing performance, the wing will have modest sweep, inboard and outboard Fowler flaps and large ground spoilers.
To offset this "hot-wing" loading, the airplane will be equipped with slotted Fowler flaps which will lower the stall speed to one comfortable for landing at most hard surfaced general aviation airports.
The Gulfstream V wing incorporates a clean leading edge and smooth trailing edge with only two Fowler flaps and four actuators.