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Old 2002-10-14, 09:33 PM   #40
mike.hinson
Unicyclist since Nov 2000
 
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Join Date: Sep 2002
Location: Bordon, Hampshire, UK
Age: 59
Posts: 226
Thanks for the continued input. I found Gauss' description of the reason precesion occurs particularly vivid & useful, I now feel like I understand it personally rather than just expecting it to happen "because the book said" & "because it always does".

I have also been running round the house holding a spinning unicycle wheel & I can really feel the expected forces & appreciate how they could assist the continued turn. I tried it with the cranks still on at first but they upset the balance too much to get the full appreciation.

My perception now is that the moment that enables a unicyclist to make a smooth continuous turn is principally provided by the riders centre of gravity relative to the tyre's contact point with the ground. This moment is also added to by the gyroscopic precesion of the rotating wheel.

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