Aileron Airfoil Ground Effect 
Pilot Institute
MARCH 28, 2025
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. Vortex size is also affected by proximity to the ground. If youre flying low enough to be in ground effect, the vortex isnt able to fully develop. Mass and inertia also matter.
Plane and Pilot
OCTOBER 3, 2024
The airfoil is a Harry Riblett shape, giving modernized flow separation on the leading edge for a soft stall yet with good lift and drag performance. The wing’s dead-smooth surface plus the tight-fitting aileron and flap brackets plus aileron gap seals give the build a professional factory look (left).
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