BMW Bringing Carbon Fiber Tech To Motorcycle Frames

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[h=2]BMW Bringing Carbon Fiber Tech To Motorcycle Frames[/h]
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http://www.carscoops.com/2016/08/bmw-bringing-carbon-fiber-tech-to.html

and

http://www.motorcyclenews.com/news/2015/august/bmw-developing-carbon-fibre-frames/
 
Dr. Luxurious said:
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I've only heard good things about carbon fibre. It's so good, sometimes it's imitated as a value added esthetic feature. I've never seen imitation aluminum. Unless I've been fooled.
 
The whole exercise seems pointless since weight isn't really a problem with sport bikes. They might want to look at improving fuel mileage instead, which tends to be horrendous on most motorcycles for their size.
 
inreb said:
I've only heard good things about carbon fibre. It's so good, sometimes it's imitated as a value added esthetic feature. I've never seen imitation aluminum. Unless I've been fooled.
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ever see how c.f. fails ?
it doesnt dent like metal
it cracks...and the cracks grow VERY quickly
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Carbon fibre has been used for years in bicycle frames and forks.
IF its engineered, manufactured and tested correctly it shouldn't be a problem.
The major holdback is cost.
 
Dr. Luxurious said:
its bmw...see post #2..
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If HD made carbon fibre frames I would be concerned. German industry has a whole continent to support, it's imperative they get this right. That's why it's such a shame about VW diesel. A lot of migrants will have to tighten their belts. It's a global economy.
 
TK4 said:
Carbon fibre has been used for years in bicycle frames and forks.
....
The major holdback is cost.
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true....decent cf mountain bikes cost north of $5k these days. cant imagine what a motorcycle frame would cost....
 
inreb said:
I've only heard good things about carbon fibre. It's so good, sometimes it's imitated as a value added esthetic feature. I've never seen imitation aluminum. Unless I've been fooled.
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There's no magic to it. It's basically fiberglass with a harder substrate. "Carbon fibre" is a clever way of marketing asbestos fibre read: it's bloody cancerous if it cracks and you breathe the dust.

http://blogs.biomedcentral.com/on-health/2014/11/26/are-carbon-nanotubes-the-next-asbestos/

EDIT: should read "a clever way of marketing asbestos-like fibre"

Apologies to those having a nervous breakdown.
 
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Dr. Luxurious said:
true....decent cf mountain bikes cost north of $5k these days. cant imagine what a motorcycle frame would cost....
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My fat bike has cf fork. I don't mind admitting a little apprehension. Canadian company but all Asian parts.
 
inreb said:
If HD made carbon fibre frames I would be concerned. German industry has a whole continent to support, it's imperative they get this right. That's why it's such a shame about VW diesel. A lot of migrants will have to tighten their belts. It's a global economy.
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the bicycle industry has been producing cf frames for years now....and believe it or not, the masters of cf technology are the taiwanese. most of the major manufacturers , even the fancy european ones , outsource their frame production to asia.
 
inreb said:
My fat bike has cf fork. I don't mind admitting a little apprehension. Canadian company but all Asian parts.
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ive got a cf forked roadbike....i feel pretty safe, but i would replace if the bike were ever crashed....
sorry, post #14 comes off as a bit condescending....not meant to be...
 
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Dr. Luxurious said:
ive got a cf forked roadbike....i feel pretty safe, but i would replace if the bike were ever crashed....
sorry, post #14 comes off as a bit condescending....not meant to be...
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Oops, I reported your post. So sorry.
 
Would make sense for MotoGP bikes (as it does for F1 car tubs) but for street use?

Aside from dick-swinging bragging rights on the part of manufacturers and, perhaps, thick-walleted, balding & paunch-bellied buyers, I see little purpose or advantage on the street: A BMW S1000RR hardly needs an even more advantageous power to weight ratio for on-ramp duties or a foray through The Forks...
 
Mere mortals will garner no benefit from this beyond increased cost, zero chance of repair in the event of a misstep in driving and the unsettling comfort that cracks lead to catastrophic failures.
But the cool factor cannot be dismissed.
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