I am doing some research for a training video on airfoils used on training helicopters (main and tail rotors). The emphasis is on Robinson helicopters, but I'd appreciate help from people with Enstrom & Schweizer experience.
Robinson R22/R44 Main = Symmetrical, Tail = Asymmetrical
Hughes/Schweizer Main = ???, Tail = ???
Enstrom Flacon/Shark Main = ???, Tail = ???
Any other small training helicopter?
Many thanks for your time,