Originally posted by locharrow
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Then again, why would would flaps be during high-alpha? After critical angle without the benefit of forward-edge flaps (aka slats), the boundary layer detaches, so the airflow is not "smooth" behind the wing and flap. Plus, at that attitude versus travel direction (ambient airflow), the stabilators would be clear of the flaps.
And at stall, why is there any reason to think the stabilators are aerodynamically effective, either? If there was any forward momentum, they would be a source of air resistance (brake) that should tend to pitch the nose down, especially if in the down-pitch position.
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