Recent content by Rhettoric

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    Speed difference in the pulleys in a block and tackle setup

    actually, i just realized that the pulley nearest the "fixed" end should rotate slower than the side giving up the rope. please correct me if I am wrong.
  2. R

    Speed difference in the pulleys in a block and tackle setup

    I am designing a block and tackle system (because I can't think of anything more simple) to take up the slack in a loop of cordage for a machine I am tinkering on. The loop only travels in one direction due to a set of cam cleats. I am trying to figure out if all the pulleys in a block need...
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    Undergrad Springs with the least amount of damping?

    I have a project I'm tinkering with that involves a "gyroscope" that I want to rotate back and forth using a spring. The gyroscope is a piece of steel pipe with a 4in ID about a foot long that weighs roughly 10lbs or so. I have a 5/16ths rod going down the center as an axle and it's running on...