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Thread: how to make a pneumatic prop?

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  1. Default how to make a pneumatic prop? 
    #1
    Join Date
    Mar 2008
    Location
    Traverse City, Michigan
    Posts
    123
    Greetings all...let it be known that I have no idea how to do pneumatics at all...but I want to lol...I've heard that I can use a screen door thing to make a cylinder....how much force can that thing actually do and how reliable is it?
     

  2. Default  
    #2
    Join Date
    Nov 2007
    Posts
    1,036
    By the time you buy all the parts you need to make it work you would be better off buying a used one on ebay. It would be better, last infinitely longer, and be incredibly safer.
     

  3. Default  
    #3
    Join Date
    Mar 2008
    Location
    Traverse City, Michigan
    Posts
    123
    heck is a cylinder even what i need...what im trying to build is a prop thats prone and hidden but when the crowd approaches the plexiglass it pops up and out smacking into the "glass" ....what kind of mechanic would i want for that?
     

  4. Default  
    #4
    Join Date
    Nov 2007
    Posts
    1,036
    I have seen the same thing done with a spring and a bungee cord. Of course you would have to manually reset it after every group goes by. You can't beat the price, though.

    http://www.scaryguys.com/slinger3.htm
     

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