In: Mechanical Engineering
There is an airfoil with a 3ft chord length for a small remote controlled aircraft. The lift coefficient is C = 0.59 and the pitching moment coefficient at a quarter chord length is Cm,c/4 = -0.032 for a landing spped of 45 ft/s at sea-level std conditions
a) Calculate the lift per unit span (in lbf/ft)
b) Calculate the moment about the quarter chord position per unit span
c) Calculate the moment about the leading edge per unit span
d) If the weight of this small aircraft is 76 lb, what is the wing span required