PPRuNe Forums - View Single Post - Rotor Blade cross section

20th Apr 2003, 00:56

#5 (permalink)

Golden Rivet

Join Date: Feb 2001

Location: UK

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Thanks for the prompt answers

Mr Coyles book states most modern helicopters use non-symmetrical blades.

Mr Schafer states the preferred airfoil is symmetrical.

Just trying to get to the bottom of this as MR CAA wants to know !