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Re: Flow control?
In addition to the many other good suggestions in this thread: use as many cylinders as you reasonably can. Many small cylinders can be driven by many solenoid valves, increasing flow.
For random mechanism A you could use a single 1.5in cylinder or four 0.75in cylinders, both generate the same total force. Assuming all else is equal (i.e. factors IndySam brought up) the 0.75in cylinders will actuate about 4x faster because they will flow through 4 valves instead of just 1 on the 1.5in cylinder.
If using multiple cylinders it would be optimal to have numerous connections to your storage tanks, multiple norgren regulators, and the shortest possible tubing lengths. However, this might not be necessary.
In 2008 my team shot the 40in exercise ball with a two-stage direct-acting pneumatic launcher. Each stage had four 10-12in stroke 3/4 bore air cylinders. Each cylinder had its own solenoid valve.
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Theory is a nice place, I'd like to go there one day, I hear everything works there.
Maturity is knowing you were an idiot, common sense is trying to not be an idiot, wisdom is knowing that you will still be an idiot.
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