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Cleveland Westland Whirlwind by edtherenderman. Viewed 240 times.
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edtherenderman28-Jan-22 08:29
Presenting the design for the fowler flaps. I looked on line for how they work on real aircraft and studied what available pictures I could find for the Whirlwind and came up this. There are two rails, one that runs along bottom of the wing, and one along the top. The flap has a pivot point in the leading edge that runs along the bottom rail. There is a bracket that is set into the flap about 1/3 of the way back from the trailing edge that has a pivot point in the flap and runs along the upper rail. As the flap extends back, the closing distance between the two rails forces the flap down.
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