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Homework Help: Design Fan

  1. May 1, 2009 #1
    1. The problem statement, all variables and given/known data
    hello there. i'm tried to design a fan which can overcome a force of 40N place on it. the project is actually somthng like future skateboard, where there are fans below the board. one more thing, i not too sure about the suitable power supply to use. any idea?

    2. Relevant equations
    i just want to know what exactly need to be consider in order to build it. the RPM of the fan blade, the suitble size of the fan, the theory i need to know and any formula included in this project.

    3. The attempt at a solution
    hopefully this project will work.
  2. jcsd
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