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Originally Posted by patrickrd
I wouldn't be so quick to make this decision. Whether to use a motor or pneumatics requires a number of considerations...
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I'd tend to agree with Patrick. Pneumatics is a serious weight commitment, especially the onboard pump. Properly geared motors with lead screws could possibly do the same thing for compareable weight after your run all the brass fittings, pump, tank... I have a hunch that we won't be using them this year. In order to justify them, you really need to ask, "After I throw all these pneumatics and the pump, and the gauges and the storage tanks and the tubing, is this really going to be lighter than a motor and a gearbox with a lead screw?
I'd imagine you'd need to use at least 3 pneumatics before having a justified weight trade off.
However, if you can remove the pump from the system and be careful about calculating how much you'll use pneumatics over the course of the a match, you could probably make a fair trade off with a pair of short 3/4" bore pneumatics (perhaps for shifting).
Just a few thoughts,
Matt