3-speed Unicycle

I've often wondered about building a 3 or 5 speed unicycle. Wondered if
it could be done with planetary gears. Never seen or heard of one but
haven't traveled in the unicycle circles..... This ever been done?


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I think the best idea for a geared MUni would be a LOW gear to make
climbing easier, just like mtbs. And you could have shorter cranks for
faster speeds in 1:1, like maybe 125mm or even smaller. I like this
concept MUCH better than a higher gear; unless you could make it low,
1:1, high. But then it's much more complex and thus more moving parts
and more potential for failures.


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there are 3 speed fixed bike hubs that you could probably build into a
giraffe or on some sort of jack shaft.

'here is some discussion'
(http://www.unicyclist.com/forums/showthread.php?t=73977)


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saskatchewanian
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Here's some pictures of a custom built 10 speed unicycle, and 'here'
(http://tinyurl.com/64dqlb)'s a link to the page I found it on
[image:
http://oldtenspeedgallery.com/blog/w...icycle-02.jpg][image:
http://oldtenspeedgallery.com/blog/w...icycle-01.jpg]

Pretty neat eh?


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haha wow
that thing looks like a deathtrap
i would be scared to ride it....it might just gobble me up


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Fascinating. I think I've seen pictures of this one before. The guy who
posted it (in the link) is a former member of the Pontiac Unicycle Club
(they hosted the first USA convention, 1973) and I get the impression
the unicycle may be for sale (or was). It looks like it was built with
real unicyclists in mind, so it may actually work!


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the idea is good however its way to bulky and to much metal.
i'am currently working on something that looks like it, well the idea.
but with a internal shifting hub.

i'am using a bicycle hub for this but the problem with a internal
bicycle hub is that there are mulitple freewheel inside.


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eenwieler-sander
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poofengle;1142044 wrote:
Here's some pictures of a custom built 10 speed unicycle, and 'here'
(http://tinyurl.com/64dqlb)'s a link to the page I found it on
[image:
http://oldtenspeedgallery.com/blog/w...icycle-02.jpg][image:
http://oldtenspeedgallery.com/blog/w...icycle-01.jpg]

Pretty NEAT eh?


I don't think neat is the right word to use here! I can see how it
would work, but it'd be better to put the gearinf in a more tidy place.
There are already quite a few geared hubs out there and I think that the
original Sturmey Archer 3 speed internal geared hub coulb be 'fixed' to
use on a unicycle. I definitely like the idea of having an easy gear for
hills, 1:1 for general use, then a harder gear for some high speeding!


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I would love to see some more detailed photos and the design philosophy
and a ride report.Someone must have it ?


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UnicycleJuggler;1142173 wrote:
I don't think neat is the right word to use here! I can see how it would
work, but it'd be better to put the gearinf in a more tidy place. There
are already quite a few geared hubs out there and I think that the
original Sturmey Archer 3 speed internal geared hub coulb be 'fixed' to
use on a unicycle. I definitely like the idea of having an easy gear for
hills, 1:1 for general use, then a harder gear for some high speeding!



the sturmey archer is not the best hub to make fixed because the
gearing system needs the freewheel to change gears


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