24" for Racing. Please describe.

UDC has a 'NAUCC Racing Wheel'
(http://www.unicycle.com/shopping/shopexd.asp?id=721) which might
provide you with the specs you need. That's what I used.

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Memphis Mud said:

*NAUCC is coming to memphis...*

Oh really? What a great excuse to see you guys again.

-Eric

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That's weird - I always imagined people racing on "normal" 24"
unicycles, but it seems from that link that a nominal 26" rim with a
very skinny tyre fits within the spec.

I suppose it makes sense... the two common "26 inch" rims are the MTB
size and the "small road bike" 650C. MTB is 559mm diameter, or 22",
650C is 571mm or 22 1/2"

So, assuming a 25mm road tyre, and assuming that bike tyres are pretty
much the same depth as width, the tyre would add about 2" to the
diameter, giving almost exactly 24" overall diameter on a MTB type 26"
rim. Cool.

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Links to the rulebooks below. Racing specs as per the rulebooks are the
same in either one. I don't remember the actual wheel size limit
offhand, but I think it's 24.333".

A skinny tire is not necessarily an improvement if your technique is
sloppy. Also the lower friction benefit starts going away if your track
has a soft surface. Many tracks have various consistencies of tartan or
other rubberized surfaces.

Use very high pressure to minimize friction.

Mostly practice technique. Fast starts, going around the turns without
moving your arms, maintaining max. speed. Practice each race to get a
feel for them.

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rob.northcott said:

That's weird - I always imagined people racing on "normal" 24"
unicycles...

Has anyone out there ever actually measured their "normal" 24-inch
unicyle wheel to see if it meets the 24.333 inch specifications for
racing at NAUCC?

I need to come up with a unicycle suitable for racing but don't really
want to buy UDC's NAUCC racer with the skinny tire. Would something
like a 24" Torker LX be suitable?

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Wheel size is a footnote compared to fitness level and technique. In
other words, the best equipment available will be toasted down the
track again and again by a more fit rider on a heavy piece of junk with
an out-of-true 23 3/8" tire.

That said, most "conventional" 24" tires are under 24" actual diameter.

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johnfoss said:

Wheel size is a footnote compared to fitness level and technique. In
other words, the best equipment available will be toasted down the
track again and again by a more fit rider on a heavy piece of junk with
an out-of-true 23 3/8" tire.

That said, most "conventional" 24" tires are under 24" actual diameter.

I will take that as a "yes". I am going to look into it.

Thanks, John. Hope to see you in Michigan.

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For more detail than you probably ever wanted to know, check out this:
http://tinyurl.com/3cbt8b
The discussion led to a big disagreement about 2mm in tire diameter.
Read the comments. This proposal was replaced by the current Proposal
30, back to 618mm, which is well on its way to passing.

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im new to unicycling (in fact ive never ridden one) but im wondering how
fast can you actually go on a unicycle. Im guessing its slower then a
bike

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brendon557 said:

im new to unicycling (in fact ive never ridden one) but im wondering how
fast can you actually go on a unicycle. Im guessing its slower then a
bike

well...not necessarily slower than a bike.

what i consider "typical" speeds:
20": 6-10 mph
24": 8-12 mph
29": 10-14 mph
36": 12-18 mph

However, the fastest I've heard of is 29 mph...which is completely
insane, though apparently 24mph on a coker isn't too out of the
question.

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my love as deep
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johnfoss said:

For more detail than you probably ever wanted to know, ....

Agreed.

All I want is an economical unicycle I can race on. 🙁

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I like 'this one' (http://www.unicycle.com/shopping/shopexd.asp?id=741)
(except for the non-matching blue sticker, but really you can choose
from pretty much 'any 24\" unicycles' (http://tinyurl.com/1dt). Some
tires are a little bigger than others, but again that's not the
deciding factor on the track.

Wheel Rider said:

All I want is an economical unicycle I can race on.

Why didn't you just say so? I can see how the UDC track unicycle leaves
some confusion on wheel size. It seems to imply that other 24" models
might be too big. On the contrary, that one has a 26" wheel that's
*small* enough to fit the tire size limit.

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johnfoss said:

Why didn't you just say so? I can see how the UDC track unicycle leaves
some confusion on wheel size. It seems to imply that other 24" models
might be too big. On the contrary, that one has a 26" wheel that's
*small* enough to fit the tire size limit.

I have an inquiry out to UDC about wheel size on the 24" Torker LX.
That with some shorter cranks should work for me. Especially since it
probably will not get used much outside of NAUCC.

Thanks for your input and suggestions.

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Just remember that the rules have a minimum size on cranks...

Keld

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Keldridge said:

Just remember that the rules have a minimum size on cranks...

Keld

Right, minimum of 125mm on a 24-inch unicycle.

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Wheel Rider said:

Has anyone out there ever actually measured their "normal" 24-inch
unicyle wheel to see if it meets the 24.333 inch specifications for
racing at NAUCC?

Yes. As a matter of fact, I have. This evening, I had the opportunity
to measure two different 24" unicycles. With my trusty tape measure, I
measured a Torker LX 24" and a Nimbus 24" with Hookworm tire. Without
using any scientific methods, here are the results of my measurements.

Torker LX 24" is almost exactly 24 inches in diameter.

Nimbus 24" with Hookworm tire (as sold by UDC) is 25 inches in
diameter.

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Wheel Rider said:

Nimbus 24" with Hookworm tire (as sold by UDC) is 25 inches in diameter.

Oh yeah. Them MUni tires kind of mess things up. If your tire is *wider*
than 1.75 or so, it may be pushing the limit on diameter. That's why
you can't race on a 24 x 3" Gazzalodi for instance, or the Hookworm. I
guess that's part of why I generally think of them as 26" tires, even
though they go on 24" rims.

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does anyone have a link to a video of a unicycle race? I've never seen
one before and I'm curious.

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I think one of John Foss's galleries had a video or two of races from
one of the championships... If nothing else, you can get a feel for it
from the photos... Try www.unicycling.com...

Keld

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