Solution: Variable position of cylinder in compliance with <R74>

[Vikesrock]

Originally Posted by Roboman01

Now, why wouldn't something like that work? This is just for the control of a single cylinder; the rest of the circuit continues past the black arrow. Each check valve prevents backflow from the accumulator into the cylinder, while simultaneously allowing venting of all pressurized areas from a single valve. (Note: I was intending to use a solenoid flow-control valve, but I seem to have lost the link.)

The bolded words are why it won't work (at least not legally). <R65> and <R66> combine to heavily limit the types of pneumatic devices allowed on the robot. Check valves are not one of those allowed devices.