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Calculation Help with mechanical motors

  1. Nov 9, 2009 #1
    1. The problem statement, all variables and given/known data
    I am a beginning engineering student at UCF and was given a group assignment to build a mechanically powered "rover". The driving force of the rover will be decided on one of two possible drive systems, which ever proves to be the better engine. The first being similar to a wind up motor found in most toys, yet on a bigger scale and the second where 40lbs of weight pulling down on a pulley system will drive the vehicle forwards.
    I have no idea how to figure these drive systems out mathematically, and hoping someone here can at least guide me in the right direction. I can give whatever info I can.

    2. Relevant equations
    (Don't know where to start)

    3. The attempt at a solution
    (Other than simply building it and testing that way, none)
  2. jcsd
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