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Unread 27-03-2006, 20:22
Jay H 237 Jay H 237 is offline
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Re: pneumatics or hydraulics ?

As long as you size the cylinder correctly, pnuematics will be plenty strong. The correct cylinder running even 50 - 60 PSI (about 4 millibars) will be enough to lift someone.

The cylinder length will have to be determined by your design. A 1 1/2 to 2" bore should work. The mounting of the pivot points is also critical to how much the cylinder has to work. You will have to do some trial and error here.
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