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Old 09-16-2008, 07:37 PM   #1
scorch OP
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working with carbon fiber?

anyone does anything with carbon fiber. Its very dangerous to work with.. But it looks awesome and the bling bling per dollar is incredible.

I wanted to make an exhaust hanger for my ninja250 which doesn't seem too complicated. But of course i was going to do it in steel or aluminum.. But now that i think of it, carbon fiber is way more BLING
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Old 09-16-2008, 07:43 PM   #2
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aint cheap. buy Pre preg. has to kept cool or it sets off in a warm room.
actually not dangerous. less so than FRP with kevlar. they have isocyanides and styrenes in the resine. CF can be cured in the oven with very little fumes or oder at low temps..
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Old 09-16-2008, 08:50 PM   #3
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I've read about making a curing oven out of a cardboard box, with several layers of that foam panel stuff used to insulate houses. Then you put some sort of heat source in there and stick the thing out side so it doesn't burn the house down. If you were making something big, I would think that it would be tough to get the entire box hot enough though.
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Old 09-16-2008, 09:20 PM   #4
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Carbon Fiber

Scorch,

The company I work for makes flat carbon fiber panels all week long.

i am not sure what kind of proselityzing I can do here, so PM me if you need more information.
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Old 09-17-2008, 04:36 AM   #5
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Hey runaway check your pms.


This is what i am trying to create.. an exhaust hanger that is pretty simple. But needs a little bend to it and some cuts.
LINK
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Old 09-17-2008, 05:25 AM   #6
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Quote:
Originally Posted by scorch
Hey runaway check your pms.


This is what i am trying to create.. an exhaust hanger that is pretty simple. But needs a little bend to it and some cuts.
LINK
jeez 60 bucks? it'd be cheaper and easier just to buy the damned thing. probably look a hell of allot better anyway.

you used KLR didn't ya?
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Old 09-17-2008, 06:42 AM   #7
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Originally Posted by dagwood
jeez 60 bucks? it'd be cheaper and easier just to buy the damned thing. probably look a hell of allot better anyway.

you used KLR didn't ya?

i have no idea what you are talking about. Klr?

The point of this thread was so i can learn a bit about carbon fiber. Or find someone who knows how to build things in it.
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Old 09-17-2008, 08:22 AM   #8
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if you're not going to buy the hanger to make the mold, what you'll need are sketches at least to make the "plug." Hopefully you've done work with fiberglass and some bondo and sandpaper before, this will easily facilitate your project. I would suggest, you make the measurements of what you need the part to do, Make a plug out of bondo, make a a mold of the plug, make a mold of the mold so now you have two facing molds for a compression mold, layup, wet out, compress and you shake it all about.

that's the 5 second version.
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Old 09-17-2008, 08:46 AM   #9
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You can make curing ovens using heating elements, styrofoam, and that silver reflective tape.

As mentioned it doesn't need to get super hot.

But nothing I've ever made out of CF has come near the beautiful finish I would hope for, that shiny look is easier to get with a sticker....
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Old 09-20-2008, 10:20 PM   #10
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um, ... I 've never worked with carbon fiber but, doesn't what ever you make in carbon fiber need to be in a vacuum autoclave

to form correctly to the mold? I think thats the way the Elan Motorsports described it in a tour of their facility.

http://www.elanmotorsports.com/?acti...e.servicescomp
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Old 09-20-2008, 11:01 PM   #11
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An autoclave is pressurized. Why not use fiberglas and paint it black. You can wet lay up cfrp but it doesn't wet out like fiberglas which is why industry uses prepreg , vacuum bags or autoclaves. You can lay it up wet with a vacuum bag .
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Old 09-20-2008, 11:11 PM   #12
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All the cool kids use carbon fiber donchaknow.
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Old 09-20-2008, 11:22 PM   #13
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Originally Posted by Inane Cathode
All the cool kids use carbon fiber donchaknow.
I wouldn't use it because it didn't come stock on the bike. It will ruin the collectibility.
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Old 09-21-2008, 04:54 AM   #14
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Quote:
Originally Posted by scorch
i have no idea what you are talking about. Klr?

The point of this thread was so i can learn a bit about carbon fiber. Or find someone who knows how to build things in it.
sorry bout that. but if it's a one off part or you want to try and make a few. it's gonna cost Way more than just buying it from someone who already set up in production.
if you really want to learn about it and make more than that one part cool. but it aint cheap or easy. actually it's pretty easy. but not simple.

you can order prepreg CF or CF/K wovens in many different lays from places like Composite one. there is gauges, weave style, thickness, non woven, and on and on and on.

the good. no autoclave, no resins to mix, easy to handle, no molds.

the bad, it aint cheap, limited what you can do, a bitch to cut but doable green, can't be sanded( what you get needs a clear coat or you're back to messing with resins.) machines like shit so it's a Precut, form, press, cure process. limited shelf life green. keep it in the fridge or freezer.
you'll make a dozen that look like shit before you get the one you want. and then it gets worse.
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Old 09-22-2008, 01:14 AM   #15
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Originally Posted by Fluorescentbrown
I wouldn't use it because it didn't come stock on the bike. It will ruin the collectibility.
Depends on if you actually ride a collectible bike in the first place
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