Remove Aileron Remove Airfoil Remove Threshold
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Wingtip Vortices and Wake Turbulence

Pilot Institute

When air flows over the aircraft wing, the shape of the airfoil creates low pressure above the wing and relatively higher pressure below the wing. When the aircraft encounters a vortex and its strong enough to induce roll, the pilot counters it by using the ailerons against the roll and tries to fly out of the wake as soon as possible.

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A Bristol Bulldog Biplane Fighter is Once Again in the Sky

Vintage Aviation News

Although it is sort of heavy on the ailerons,” Storo said. And then when you get down near the threshold, you just hold it off and gently let the wheels down. And the ailerons are almost worthless at that point; they’re not doing a whole lot for you at all. “The first flight was kind of interesting.

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