Quote:
Originally Posted by JCharlton
Do you still have any First Choice credits left? AndyMark had some lead screws which work well for linear motion, and won't backdrive. We ordered one but will be using a pneumatic cylinder instead. If there are veteran teams in your area they may have some spares, they were included in the KOP for many years.
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Many of the ones in the past KOPs will spin under their own weight when supported by the lead screw nut (a sign of high efficiency). Also, the KOP lead screws aren't all the same—different ones have appeared in different years. If you want to resist backdriving, you'll need something else.