carbonfiber unicycle frames?

Somebody did. Plus you mistake what you describe. Diamonds are
incredibly hard, the hardest thing know to man, yet can be smashed with
a hammer.

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titanium would be better, but expensive I imagine.:eek:

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Or perhaps a better reply would be "They who?" Carbon fiber bikes are
only owned by a tiny percentage of the bike population. If carbon is so
great, why doesn't everyone have it? That's most of your question right
there.

BTW I have one, like these:
http://www.unicycling.com/garage/munigar.htm

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Yeah, but most middle to high end road bikes have carbon forks. Hmmm...
what looks similar to a fork with a seat on it?

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johnfoss said:

Or perhaps a better reply would be "They who?" Carbon fiber bikes are
only owned by a tiny percentage of the bike population. If carbon is so
great, why doesn't everyone have it? That's most of your question right
there.

BTW I have one, like these:
http://www.unicycling.com/garage/munigar.htm

Actually a lot more racers are riding CF. The ones that don't it is
either because of the price or they don't like the feel of it, not
based on greatness of it.

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isnt carbon fiber like really exspensive?

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Its pretty expensive yeah but on a road bike worth it. I have a carbon
fibre and aluminium and by far the carbon fibre is the best. It absorbs
bumps better and is also lighter.

A unicycle thou is put under lots of bending stress and twisting forces
and carbon fibre cracks before it bends. Thats why I dont think it is
used??

Titanium as said is the best material at the moment but expensive.

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brendon557 said:

isnt carbon fiber like really exspensive?

Yes, I think it's because it is harder to make stuff with it. There has
to be a lot of engineering put into building stuff with carbon fiber.
I'm thinking this is why they don't make unicycles out of it.

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WAIT if you dance you won't be worthless anymore!!

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not so much for a unicycle frame.
it shouldn't be more than $50 in carbon fiber.
that is about how much it is to do a skimboard, so i'm guessing its
much cheaper than that.

EDIT: building it would defiinitely be a MAJOR pain though...

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cool-bananas said:

Its pretty expensive yeah but on a road bike worth it. I have a carbon
fibre and aluminium and by far the carbon fibre is the best. It absorbs
bumps better and is also lighter.

A unicycle thou is put under lots of bending stress and twisting forces
and carbon fibre cracks before it bends. Thats why I dont think it is
used??

Titanium as said is the best material at the moment but expensive.

Dude carbon fiber is more rigid than aluminum and steel. Steal is
softest then Aluminum then CF but aluminum is more bouncy/less
absorbing then cf...I think cf unis would be no good because i throw
mine down a [censored] and even rubbing cf too much while its in a car
can wear right though that stuff. ALU. or TI

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while on the subject (sorta)

what about Graphite?
that would make a pretty awesome frame.

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I think carbon fiber is the way to go, it's an amazing material. By
weight it's much stronger and stiffer than steel aluminum and even
titanium.

The reason that their are so few carbon fiber bikes is simply because
they cost a lot, the demand isn't there.

I think it would be ideal for coker and muni frames.

-'great video about CF bikes ' (http://tinyurl.com/3apetg)

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anton005 said:

what looks similar to a fork with a seat on it?

A plumbing pipe looks similar to a truck's driveshaft. Switch them and
you've got problems. What I mean is that though a bike fork is very
similar, the stresses on it are very different There's no twisting on a
bike fork, so the rules for building one are very different from a
strong uni frame. Doesn't mean you can't use carbon, but you can't use
a carbon bike for (for best results).

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I was just trying to poke fun. I really have no idea of the forces on a
uni frame, hopefully the frame builders know. I would think a mountain
bike fork would be a better match to handle the forces, you don't see
many (any?) carbon mtb forks that's for sure.

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johnfoss said:

Or perhaps a better reply would be "They who?" Carbon fiber bikes are
only owned by a tiny percentage of the bike population. If carbon is so
great, why doesn't everyone have it? That's most of your question right
there.

BTW I have one, like these:
http://www.unicycling.com/garage/munigar.htm

Looking at the footage from the Tour de France this year, I would say
that the majority of the bikes there are carbon. Most of the high end
bikes these days seem to be carbon orientated, or if not, partially
carbon (eg seatstays/chainstays).

My mountainbike is carbon but my trusty roadbike is high-end steel.
Carbon is light and strong, but after a couple of seasons it looks
awful.

I have seen a carbon Muni (one of the first made belonging to Jez
Weston). It's still one of the lightest Muni's I've picked up.

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Roger at UDC built 30 (i think) carbon fibre munis some years ago. They
retailed at £750, and they didnt even have a splined hub (wasn't the
way things were done back then). Yes it's light, but i believe Roger
always wraps it when transporting as scratches in the tubes can cause
premature failure. Carbon fibre, as any material, is only great in
certain types of construction. Brilliant for monocoques but in a
tubular frame not so good.

Also there is a significance difference between stength, stiffness and
hardness, it's important not to mix them up.

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I see no reason to make CF unicycleframes. Aluminium coker frame weights
663 grams, 36" aluminium rim weights 1170 g. So making 36" CF rim would
be better idea. Even better thing would be 36" 1 inch wide high
pressure tyre, it could cut the weight even 1,5 kg/3 pound and I guess
the price would be something like 40-90 bucks.

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skrobo said:

while on the subject (sorta)

what about Graphite?
that would make a pretty awesome frame.

I honestly don't think it would be that good an idea, it'd just have
chunks wears off everytime you scrape it. The atomic structure is
tough, but allows segments to slide off easily, hence the use of
graphite in pencils.

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The real advantage of carbon fiber is it's weigh. Carbon fiber is much
lighter than most other materials. I assume a carbon fiber unicycle
isn't really that great an idea because a unicycle frame is already
significantly smaller and lighter than a bike frame.

Another reason why unicycles are superior to bikes.

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