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Unread 14-01-2014, 22:49
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I am Dave! Yognaut
AKA: Brian Bray
FRC #1296 (Full Metal Jackets)
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Re: Custom position with pneumatics?

Not effectively, or reliably, but:

If you filled the retracting side with ~40PSI and capped it shut, and applied 60PSI to the extending side, the cylinder would reach equilibrium at 1/3 extension.

That being said, as Delta P approaches zero, Force approaches zero too, so it would not be very powerful and thus not very useful
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RIP David Shafer: you will be missed