Heat and Carbon Bars?- Mtbr.com
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  1. #1
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    Reputation: Schlubbe's Avatar
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    Heat and Carbon Bars?

    Anyone seen any info on this? Can the heat from a high-powered bar light set melt or weaken carbon bars?

    Concerned about the potential for catastrophic bar failure in the dark.

    Your thoughts?
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  2. #2
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    I have seen muffler canisters on dirtbikes, quads and cars covered in CF and they seem be able to deal with the heat. I think you would be ok unless your light got ridiculously hot.
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  3. #3
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    I'm still uneasy about it... bars are made to be thin and light and are a fairly stressed member, especially at the stem joint. I don't know that muffler covers and the like are under stress on dirt bikes (haven't had one since early '80s).

    Anyone else care to comment?
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  4. #4
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    Aren't the majority of light mounts made of plastic and rubber? Neither are very good conductors of heat and they would break down long before the heat had any impact on a carbon bar.

  5. #5
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    Aluminium is way more influenced by heat then carbon.
    (it conducts the heat better away tho)

    In the entertainment industry heat is a big problem for the aluminium trussing used. There is one company who produces carbon trussing to solve this problem. (it is a lot more expensive offcourse)

  6. #6
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    As an engineer with a background in carbon fibre design, I can say there is no way a light gets hot enough to damage the epoxy holding the fibers together in the bar. The long term UV damage from daylight would be far worse in any case...

    But, don't clamp the crap out of the bar when if you mount metal directly on carbon, as this will create a cracking issue.

    ~C

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