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  3. please answer 3. 3. the airplane from problem 2 ha

Please answer 3. 3. The airplane from Problem 2 has a maximum speed in steady level flight...

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Mechanical Engineering

Please answer 3.

3. The airplane from Problem 2 has a maximum speed in steadylevel flight of 190 kts at 8,000 ft altitude. At this condition,the propeller efficiency is 0.75. Presuming a single reciprocatingpiston engine, and using the simple models for altitude lapse,compute the maximum shaft brake power in hp that the engine canproduce at sea level.

2. Consider an airplane with a wing area of 240 ft2 , a span of44 ft, an Oswald efficiency of 0.75, and a zero-lift dragcoefficient of 240 counts (i.e., CD0=0.024). Presume that theairplane is operating at 8,000 ft altitude at a weight of 7,600lbs.

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