Quote:
Originally Posted by DinerKid
I have found that especially with longer lengths of chain the stretch becomes a big issue. A chain run that seemed perfectly tensioned may be really loose after you drive the robot hard for a few minutes. We have tried pre-stretching our chains and it helps but we still threw on some tensioner this year.
~DK
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Two things that you can do to help alleviate (but never entirely eliminate) stretch:
1. Use #35 chain. Stretches much, much more slowly than #25.
2. Use
high quality chain. You get what you pay for - we have found that different manufacturers' chain tends to stretch at very different rates.
I swear, sometimes it seems like FIRST has got a room full of monkeys writing code. Maybe the monkeys should spend less time flinging fecal matter at each other and more time testing the code before posting it :-). - Kevin Watson [more] 
19-05-2011, 15:12
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