ringo wrote:The notch has something to do with turning. It allows airflow to go through the notch when the car is changing direction. I don't know any more details but clearly is based on transient flow on the wing between the end plates.
newbie wrote:why would you want to energize the pressure surface of an element which will inevitably have no seperation and good shear? one tends to energize the suction surfaces.
ringo wrote:Don't want to use the typical jargon but it energizes air flow between the gap of the wing elements. It works for multi element wings i suppose. See how the weir of the notch is at the leading edge of the top element?
It makes no real gain in straight line performance i guess, it's effects are noticeable in yaw.
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