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Originally Posted by ArmoredFairy698
My next question is....if I create the cylinders to be VERY low friction, would a servo motor contain enough power to turn the winch system in order to lift the cylinders?
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Most definitely not. Technically, you could pull a semi-truck with an electric toothbrush motor if it was geared low enough, but the amount of time it would take would increase drastically. A servo is definietly not the tool for this job. First of all, a servo is designed to go to a certain position and hold it, not continuously rotate. So I assume you mean a servo modified for continuous rotation more like a gear motor. You could gear it way down but by the time you got low enough to power the arm the efficiency in each stage being multiplied will have eaten up all your torque, plus you'd have to go get lunch and come back before you'd ever see the arm move.
If you could explain more specifically what you are trying to do I'd be more than happy to point you in the right direction as far as selecting a motor and actuating mechanism. I think you are on a good track by selecting cylindrical. It may be a little more difficult to actuate but it will be easier to slide. If you take a pair of calipers to your local metal store, you can find some tubing that fits good inside another one, perhaps for several stages.
PS. Everything I said above is reliant on the assumption that you are talking about a full size FRC bot. If it was a vex, a servo motor would probably work.