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Old 2012-05-18, 12:52 AM   #1
Justin LE
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Join Date: May 2010
Location: Vancouver
Age: 33
Posts: 104
The Holy Grail Project

(In reference to this post:
http://www.unicyclist.com/forums/sho...1&postcount=52 )

The discussion of making a Nuvinci work on a unicycle came up several times in the 3-speed sturney-archer build project.

After some mulling around I think I had figured out a way to pull this off and signed up for a frame building workshop last month taught by Paul Brodie in order to learn the techniques necessary for building a custom unicycle frame from scratch.

It's a bit tight for time frame to write much explanation text but I'll post a series of build pictures now that should hopefully be self explanatory!

Starting here is the CAD idea that I had going into the project. The goal was to make a frame that was stiff in the direction of the chainline, since I learned from the 3-speed build that if there is much flex under chain tension, then it makes things more prone to chain skipping problems:
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