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Torque in a chain drive?

  1. Apr 27, 2012 #1
    Its not an actual homework question just principals I am unclear on.
    Its in relation to a standard bicycle being driven by a rider

    How would I calculate the minimum torque on the back wheel?
    How would I calculate the maximum torque on the back wheel?
    How would I calculate toque on the front wheel?
     
  2. jcsd
  3. Apr 27, 2012 #2
    Minimum and maximum with respect to what?
     
  4. Apr 27, 2012 #3
    With respect to the force the cyclist applies on the pedals.
    Neglecting air resistance
     
  5. Apr 27, 2012 #4

    rcgldr

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    Homework Helper

    Front tire doesn't have any torque (ignoring rolling resistance, or acceleration of bicycle).

    Rear tire torque = (pedal torque) x (number teeth rear sprocket) / (number teeth front sprocket)
     
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