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Re: can we control the amount of air to control the speed of the cylinder?
There's another, option that's quite likely to be legal, though it's largely insane. You could get a standard 12V, high frequency, low response time solenoid valve and wire it to the pneumatics bumper just like you would any other valve. Then laugh maniacally while telling your programming team that you want to duty-cycle control your solenoid valve. It's marginally nutty, as it hasn't been done in FRC before, but I think it'd work fairly brilliantly if you got a valve with a good enough response time and maximum operating frequency. Festo makes some rather fast valves, but they're 24VDC operated. Still, I think it'd be interesting if someone tried this in FRC.
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Lone Star Regional Troubleshooter
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