Define geometric angle of attack

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Reference no: EM13134995

Geometric angle of attack
The Piper Cherokee has a wing area of 170 ft2 and a wing span of 32 ft.

Its maximum gross weight is 2450 lbs. The wing uses a NACA 65-415 airfoil, which has a lift slope of 0.10331deg^-1 and alpha(L=0)= -3.0deg. Assume that tau = 0.12 . If the airplane is cruising at 120 mph at standard sea level at its maximum gross weight and is in straight and level flight, calculate the geometric angle of attack.

Reference no: EM13134995

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