Hi EAA fellows!
I'm starting with a friend the design of an STOL ultralight. We would like to add a leading edge slat, and we are thinking in one that could be retracted to have a clean profile to increase cruise speed. This means that a regular profile should be modified to have slat and wing profile in his shape (we are thinking in NACA 4416)... Does any body knows some books that explains slat design? any start point to this endeavour? Any help will be highly appreciated.