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Unread 16-12-2008, 13:34
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Re: Aluminum sprockets for drive train - several questions

We've used AndyMark and IFI sprockets for years, with both 25 and 35 chain, and the only real slip we’ve encountered came when the robot took a hit, bent a frame and introduced slack. So the two important lessons are A) have a tensioner system (with lots of room for movement), and B) the tendency to slip is directly proportional to the number of degrees of wrap that the chain makes around the sprockets. Make lots of >150 degree turns and you should be fine.
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