Power Bumpers

[Nate Laverdure]

Originally Posted by Mike Betts

Most robot inspectors will disallow a pneumatic system which does not have a relief valve (et cetera).

Not true in all cases-- closed-loop pneumatic shocks are expressly allowed. See <R71> part I:

<R71>
In addition to the items included in the Kit Of Parts, pneumatic system items specifically permitted on 2009 FRC ROBOTS include the following items. All included items must be “off the shelf” pneumatic devices rated by their manufacturers for pressure of at least 125psi, and used in their original, unaltered condition (except as required for assembly with other components).
...
I. For the purposes of the FIRST competition, closed-loop pneumatic (gas) shocks are not considered pneumatic devices, and are permitted additions to the ROBOT.