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Unread 15-05-2015, 13:21
Knufire Knufire is offline
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Re: pic: Manually machinable one-speed gearbox

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Originally Posted by Nate Laverdure View Post
Yes, we've done this. The 1/8" total drop is "shared" equally between the outside and inside axles.

In fact, our entire setup is very similar to this, with only a couple differences:
-- we used 2x1.5x.125 tube
-- we used VexPro 16t #25 sprockets
Did you have the issue that 118 mentioned earlier of the chain grinding on the outer bearing race?
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Unread 15-05-2015, 13:24
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Nate Laverdure Nate Laverdure is offline
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Re: pic: Manually machinable one-speed gearbox

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Originally Posted by Knufire View Post
Did you have the issue that 118 mentioned earlier of the chain grinding on the outer bearing race?
No, in fact we deliberately chose the 2x1.5" tube to avoid this issue with the 16t sprockets.

Here is a technical drawing of (an early version of) our drive tube.

Last edited by Nate Laverdure : 15-05-2015 at 13:28.
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