Torque on a shaft

  • Thread starter blake92
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  • #1
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If a motor has a horsepower of 5hp and a gear box ratio of 10:1 does the hp through out the system remain 5? or does the gear box multiply the power?

how does this affect the torque?
 

Answers and Replies

  • #2
Doug Huffman
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Power is constant through a transmission and is the product of torque and angle rate.
 
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  • #3
Averagesupernova
Science Advisor
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Power is constant through a transmission and is the product of torque and angle rate.
...minus the loss due to inefficiencies. Not to nitpick on you Doug Huffman, but considering the OP's question I think it is worthy of pointing out.
 
  • #4
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power out = power in * efficiency
torque out = torque in * (input speed / output speed) * efficiency
 

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