Quote:
Originally Posted by IvanK
Here are the values the RAE determined in Flight test Source AVIA 6/2394 BF109E Evaluation...
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A pretty good match with the simple statement in the 109E description, all things considered.
Regardings Crumpps chart, "Spaltklappen" and "Spreizklappen" are two different types of flaps, not leading edge slats. The slats don't open gradually. But from that polar and the RAF test, it should be easy to derive the AoA of ~ 8° at which they bang open.