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Unread 27-03-2011, 21:50
Roboman01 Roboman01 is offline
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Re: Solution: Variable position of cylinder in compliance with <R74>

Quote:
Originally Posted by Mike Betts View Post
Yes, vacuum systems are exempt but you are talking about a hybrid pneumatic/vacuum system. Therefore, the system would almost certainly be considered pneumatic by an inspector.

Also, check valves are not legal this year.

JMHO,

Mike
Still, it's not generating any positive pressure, which is generally what "pressure" is considered. If I were to hook up gauges, such as the ones from the KOP, to each cylinder supply line, both would read 0 psi, since they only measures on a positive scale. The mere fact that a pneumatic system is a "hybrid" in a certain configuration does not necessarily mean that it is illegal. It would be considered a vacuum-generating device when pressure is released, and a pneumatic device when pressurized. In a week, after my spring break is over, I'll create a video to better demonstrate my point.

Also, since the "check valves" that I'm using are technically flow-control valves, they are legal, as I stated previously.
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