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Question: 8 10 pts in principle it is possible to use...

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8. (10 pts) In principle, it is possible to use rotating cylinders as aircraft wings!! Consider a cylinder 30cm in diameter rotating at 2400rpm. It is to lift a 55kN airplane cruising at 100m/s. What should the cylinder length be? Neglect end effect on the rotating wing. Would you use this design to fly airplanes?

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