The airplane is equipped with two jet engines with 40,298 N of static thrust each at sea level. a. Calculate and plot the power-required curve at sea level.

Consider an airplane patterned after the Fairchild Republic A-1 0, a twin-jet attack aircraft. The airplane has the following characteristics: wing area = 47m2, aspect ratio = 6.5, Oswald efficiency factor = 0.87, weight = 103, 047N, and zero-lift drag coefficient = 0.032. The airplane is equipped with two jet engines with 40,298 N of static thrust each at sea level. a. Calculate and plot the power-required curve at sea level. b. Calculate the maximum velocity at sea level. c. Calculate and plot the power-required curve at 5-km altitude. d. Calculate the maximum velocity at 5-km altitude. {Assume the engine thrust varies directly with free-stream density.)


 

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