Quote:
Originally posted by sevisehda
If its pneumatic its a waste. Why put all that energy into a motor(compressor), then convert it into pressure, then into rotary motion when you could of just used a motor?
My guess is its a vacuum generator.
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Because 2" cylinders generate 180lbs of force... you're talking about a lot of torque. However, you wouldn't be able to switch them fast enough to generate a descent speed. You could gear it up and still have plenty of torque to push people around. It's just not worth the strain on the compressor. They burn up rather easily. Get a back-to-back match and you're toast.
Vacuum generator is another possibility. If you drive the shaft, the cylinders would depressurize. However, the shaft doesn't go for the entire stroke length of the cylinder, so you can't generate a descent vacuum.