Im thinking of running piston claw plus 11W tread intake like a tipping point bot, this would allow me to run a 77w drive. Any other mechanisms would use pistons, tell me your thoughts.
Yes a seven motor drive is definitely feasible however note that you have to gear up the 5.5 watt motors to your drive speed because they only run at 200 rpm. Also watch out for space as the motors take up a large space just in case you’re planning to put an air tank at the bottom of your robot.
If you can manage that, I think it would work.
The main reason most people don’t do this is because they dedicate two motors, not one to decrease power required on a single motor. Another thing is, pistons would have limited to 100 psi, so even with 2 cylinders of air, you would still run out quickly.
However, if you do manage, then go for it!
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Actually, just running 2 cylinder filled with air was made illegal by this q and a back in spin up. Pneumatics without tanks : Robot Events
Or did you mean something else?
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And here illustrates the problem of not using standard (industry) terminology. Air tanks, although cylindrical, are not “cylinders of air,” and the term “air cylinder” is the proper name for what vex students call “pistons”.
Many teams over the years have used claws actuated by air cylinders, and usually get plenty of actuations from two air tanks, especially if the pressure regulator is used to keep the pressure at 40-50 psi…it makes the air supply last much longer.
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Just wanted to point out that Q&As from previous seasons do not carry over to future seasons. For this season, you’d want to look at the red box below <R23>: “Using cylinders or additional pneumatic tubing solely for additional storage is in Violation of the spirit of this rule.”
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I think it would be fine as the only pneumatic systems i would run would be a back clamp and a hang which would not be used that much so i have even thought about using only 1 tank to save weight.