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Re: Rule# R88
For everyone who thinks a compressor must be on board (not for rules sake, but for performance sake), please understand that the new (since 2011) rules allowing those large plastic tanks have changed everything. We had so many on our robot in 2011 that the pump took 5 minutes to fill the system.
Having a pump on a robot with that much volume is a false sense of security. With the new rules you have many choices on how to design your system. As long as I still get a vote on our team, the pump will never be placed on board the robot again.
In 2011, we used pneumatics for shifting, our tube grabber, and the minibot deployment. We used a lot of air and had no issues running an off board compressor.
BTW, you need a pressure relief valve off board the robot when using an off board compressor. This is in addition to the one on the robot.
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In full disclosure I am the President of VEX Robotics, a division of Innovation First International.
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