Originally posted by banktoturn
One, an maybe the main, benefit of a leading edge slat ( with a slot ) is that it delays separation near the leading edge by 'injecting' some high velocity air. It seems that this would be even more beneficial for a wing at low reynolds number, by the reasoning that it is tougher to ward off stall than for a high reynolds number wing. Any thoughts??
Don't know about efficiency, but you may be right. Another more trivial benefit that i see is that slats avoid the big change in "apparent" AOA, which usually is the occasion of a nose high tendancy. Should allow to have a much more "flat" approach, without big trim changes.
Bernard