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Consider SKF, which rates its bearings for 1million revolutions. If you desire a life of 1000 h at 2000rev/min with a load of 500lbf, for which catalog rating would you search in an SKF catalog?
Please explain in few words what were the technical challenges when you were designing a wind turbine tower in the course project. What kind of design suggestions would you offer to make wind turbines safer?
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answerhappygod
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