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Stall Proof Ailerons

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GESchwarz

Well-Known Member
Joined
Oct 23, 2007
Messages
1,250
Location
Ventura County, California, USofA.
There are a number of ways to prevent the aileron from stalling at high AoA, like fences, vortex generators, slots, slats, and Junkers ailerons, (did I miss any). But which one is, the simplest, and more importantly, the most effective in staying out of a spin?

I really like what happens on the Grumman E-2 Hawkeye, but it is a bit complicated; when the flaps are deployed, the ailerons drop down and aft just a little to open a slot, allowing high energy air over the top of the aileron, this is effectively a retractable Junkers aileron, with a little flaperon-down-angle action thrown in for the carrier landing.

On the simple side, I have seen leading edge vortex generators that only generate a vortex when the AoA is approaching the stall angle.
 
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