Calculating Torque and Power Requirements for Turning a Shaft

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To calculate the horsepower required to turn a 750mm diameter shaft with a mass of 1,000kg at 160 RPM while supporting an additional weight of 2,500kg, one must consider how the weight is applied to the shaft. The distribution of the weight significantly affects the torque needed; for instance, a rigid bar configuration would require more torque than an evenly distributed load. Additionally, it's crucial to understand the difference between force and horsepower, as they are distinct concepts. The relationship between these two entities is essential for accurate calculations. Proper context for the application of this information is also necessary for a comprehensive analysis.
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What is the force (horsepower) required turn a 750mm diameter shaft with a mass of 1,000kg, at a velocity of 160 rpms, with a weight of 2,500kg applied to the shaft?

Thanks.
 
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bocceball said:
What is the force (horsepower) required turn a 750mm diameter shaft with a mass of 1,000kg, at a velocity of 160 rpms, with a weight of 2,500kg applied to the shaft?

Thanks.

Welcome to the PF. What is the context of your question? Is it homework, coursework, a school project, or something you are designing and building?
 
For one thing you need to decide how the 2500 kg weight is applied...how it's distributed about the shaft...for example if it's on a rigid bar hanging from a horizontal shaft that whole assembly will not go easily...if that's the weight of the shaft itself, evenly distributed, a lot less torque is required...
Also, force and horsepower are two different physical entities...are you aware of their relationship??
 
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