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 So remember, we may be envious of teams who can do water jet cutting and has every possible monetary and engineering advantage, but there are many more people who are envious of every team who has a chance to compete. - Rombus [more] |
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#30
18-02-2011, 00:19
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Re: Arm goes down too fast?
We tie it in a knot. Take the two ends, hold them next to each other, ends pointed the same direction, and tie a single normal overhand knot with both ends at once. That makes a loop. Then anchor the loop at both ends over something round, such as a 1/2" od nylon spacer with a 1/4" bolt thru it holding it to the robot or arm or whatever that end needs to attach to. If you make the anchor end adjustable, then you can adjust the tension as needed.
 for example 
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