Quote:
Originally Posted by ToddF
Full disclosure: We are going to install one and let the inspectors decide.
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Well, we finally got an authoritative answer. We installed a push button dump valve, and it passed inspection at both of our regionals. At the championship, the inspector flagged it. The question went to Al himself. Al said that part of the function of the valve was that the handle visually indicates whether the valve is open or closed. It's not immediately visually obvious with a push button valve if the system is vented. Looking at the pressure gauges doesn't count. (I heard this second hand, as I was on a plane when the robot was being inspected.)
We swapped valves and competed with a valve with a handle.