A glider is flying at a constant altitude, at sea level, on a standard day. The

Question

A glider is flying at a constant altitude, at sea level, on a standard day. The airspeed is 150 ft/s and the total airplane lift coefficient is 0.1. The glider's rectangular wing has a span of 80 ft and a chord of 4 ft. The wing spar has a 36 in4 area moment of inertia and is made of graphite epoxy composite (Young's modulus E = 20x106 lb/in2). Find the wingtip deflection assuming a uniform lift distribution.

wingtip deflection = __________________ [inches]

this question is so confusing!! detailed explanations with equations would be greatly appriciated!

Explanation / Answer

Wingtip deflection according to the given data

Deflection =0.1*80*20*10^6/36

Deflection= 34

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