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Free chat online >Jan 16, 2006· I am trying to calculate(estimate) the critical shaft speed of a rotating shaft. When i did this back in school we solved for the eiganvalues of the 4th order d

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Free chat online >Oct 22, 2011· If a centrifugal fan rpm is 1000,due to any problem we need to reduce rpm of 500 by using low capacity prime mover,so we should know the critical speed of fan.so please suggest me to calculate critical speed of the fan.

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