Thread: Two pressures?
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Unread 15-02-2004, 23:19
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Re: Two pressures?

Quote:
Originally Posted by KenWittlief
There is a way to retract the cylinder using no air at all - leave the other end of the cylinder open - no connection, and use a small spring or the surgical tubing to retract the cylinder

then you only need a single valve to pressurize the business end, and when you close the valve it will vent the air, and the surgical tubing will retract the cylinder.
Yes, but unfortunately the surgical tubing doesn't provide the retracting force we need. We are trying to save air on the extend. If you look at the picture you may see more clearly why we want to save air

http://www.chiefdelphi.com/forums/sh...ad.php?t=25130

24 '' stroke if I remember right
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