My Horizontal Stabilizers have an inverted Airfoil... Normal it's symmetrical.
In this picture , Only the top has fabric , you can see the slight airfoil I added.
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I'm doing what I can for STOL
They are set in the neutral position for first flight.
Other holes are in place to lower the front of the HS leading edge if it needs it.
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Here's a picture of an F-22
Trapezoids all over this thing .
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Gotta Fly...
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