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Some small problem about DC motors

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westkid85

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hi everyone, i would like to ask about a question about dc motor
about the "torque and speed" characteristic of the motor,
when the power is fix, is the torque vs speed characteristic graph is the same for every motor?
example : when the power is 100W, with a torque for 1Nm, is that every motor will provide 1000rpm?


for my problem, my required torque is 0.3597Nm, how to i choose a motor if i only got this information?(what is the power or speed require?)
somebody told me that i should follow the "torque and speed" characteristic graph to choose a motor, but which graph should i follow? i tot every motor has their own speed torque characteristic???:confused:
 
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