1.    Consider an light plane aircraft with a characteristic of: Wing area = 181 ft2 Aspect ratio = 6.2 Oswald efficiency = 0.91 Weight = 3000lb  Zero lift drag coefficient = 0.027 Powerplant = single piston engine of 345 hp maximum at sea level  Propeller efficiency = 0.83 Calculate the: a)    Power required at sea level at 100ft/s b)    Power required at 12,000ft altitude at 100ft/s c)    Minimum power required

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