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Re: Controling Pnumatics with joystick.
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if they use a doubble-acting valve for the cylender and 2 single-acting valves to stop the exhaust they would fail open and allow the whole system to purge
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Wouldn't that connect more than one valve to a cylinder input?
<R74> Each commanded motion of a pneumatic cylinder or rotary actuator must be accomplished via the flow of compressed air through only one approved pneumatic valve. Plumbing the outputs from multiple valves together into the same input on a pneumatic cylinder is prohibited.
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2007 - Rookie All Star - Bayou Regional (1858 - Tyborgs)
2009 - Rookie All Star - Bayou Regional (2992 -Prometheus)
2010 - Champions - Bayou Regional (2992 -Prometheus)
2012 - Finalist - Bayou Regional (2992 - Prometheus)
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While at kickoff I asked Woodie if there were any concerns about missed shots at the center goal hitting the operators or the controls. He handed me a ball and told me to throw it at him as hard as I could... How many times does an opportunity like that come up? - Barry Bonzack [more] 
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