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Mechanical Design / Prop Design Pneumatics

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  • Mechanical Design / Prop Design Pneumatics

    Hi guys,

    I am looking to build a couple props this year using steel tube that when powered with a pneumatic will move.

    I'd like this to be about the height of a chair then jump up to about 7' tall.

    Does anyone have a website that will be a starting point for the design of the 4 link design to get the math and angles for me.

    I have seen a couple that i can drag the mechinisum to see its movement.

    Thanks Guys!
    Michael Chilson
    Brookdale Campground Haunted Halls
    Kozy Rest Campground Haunted Hay Ride
    ScareHouse Pittsburgh, Pa (Actor)
    Designer & Technical Director

  • #2
    here are some great sites
    http://www.flying-pig.co.uk/mechanis...s/linkage.html
    and more specific to what your asking
    http://www.mechanisms101.com/fourbar01.html
    I find these links to be indespensible in the design phase.
    www.Stiltbeaststudios.com
    http://www.youtube.com/user/Stiltbea...s?feature=mhee

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    • #3
      If you can reference a specific prop I could give you approximate dimensions. I don't give out exact dimensions and tolerances on props I build, but generally don't have a problem sharing linkage lengths and cylinder strokes.

      There is a 4 bar simulation software package here , http://www.boopack.com/software.html , that is free.

      Also using an engineering program like autocad or solidworks, or even google sketchup helps. I design all my props in Autocad to make sure the dimensions work before I start cutting steel.
      Brian Warner
      Owner of Evilusions www.EVILUSIONS.com
      Technical Director of Forsaken Haunted House www.Forsakenhaunt.com
      Mechanical Designer (animatronics) at Gore Galore www.Gore-Galore.com

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