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Are there any good books on elastics for a beginner?

  1. May 15, 2003 #1
    Are there any good books on elastics for a beginner? I want to build a cart where I use only elastics and wood to propel the cart...What books can help me with this?
     
    Last edited by a moderator: Feb 4, 2013
  2. jcsd
  3. May 15, 2003 #2

    marcus

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    Re: Elasticity

    what is an elastic?

    in what sense is a steel spring not an elastic?

    if a cart is driven by a twisted rubber band (like a rubberband
    propellerdriven airplane) is the rubber band acting as a spring
    or as an elastic

    or both?

    I suppose that spring materials can store energy without changing length very much---by torsion and bending

    and I suppose elastics store energy by changing length

    But I am just guessing. Is there an official definition
    of what an elastic is? sorry I can't help. Just curious.
     
  4. May 15, 2003 #3
    what i meant by elastic was rubber band
     
  5. May 15, 2003 #4

    marcus

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    I understand, thanks. So your project is to make a rubberband
    powered cart.

    What performance category is most important to you?
    speed? distance (range) on the level? hill-climbing ability?
    load-bearing?
     
  6. May 16, 2003 #5
    Its distance and lightweight
     
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