[Joe Ross]

Originally Posted by MrBasse

I just don't see any way that you can flow enough air to move a piston fast enough to launch a ball any impressive distance. For close up action that may work fine, but the maximum valve port diameter restrictions in the rule book just seem too restrictive to do anything worth while.

Don't underestimate what's possible with pneumatics. Watch the robot in the lower right in the following video kick soccer balls pneumatically. http://www.youtube.com/watch?feature...4VhtI#t=16 0s