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  1. #1
    Turbo Monkey
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    Carbon coil springs

    After Steel and Titanium coil springs:


    What do people think about Carbon used for a coil spring

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  3. #2
    Monkey rollertoaster's Avatar
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    it sure looks cool, but I'm pretty sure it wouldn't work for long. I think dirt on the spring seats would wear thought the epoxy and make the carbon fail prematurely. Could be totally wrong but it's just my thoughts.

  4. #3
    Monkey
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    it's made by solid bikes components company Reverse components, cant find it or any info on their website though unfortunately...

    Im sure it works well, but cant imagine the swarms of riders who dont trust carbon frames and bars will be jumping to get a carbon spring

  5. #4
    Monkey
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    the finish on the one in the pic looks a bit rough, hand laid proto perhaps?

    this is the only company ive seen who make composite coil springs
    http://www.sardou.net/accueil4.htm

    Carbon fibre leaf springs have been around for a while, i see no reason why carbon fibre coil springs wouldnt be legit.

  6. #5
    Press Button, Receive Stupid jonKranked's Avatar
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    Idk, carbon fiber can be worked in some interesting ways. If designed properly, it will flex and not fail (c'dale scalpel). I don't think that something like this is outside the realm of feasibility, but some solid and thorough testing will be needed for these to take off.
    set your sarcasm meter to Level 4:butt hurt

  7. #6
    Rusty Trombone manhattanprjkt83's Avatar
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    i think it's a sick inovation if tested properly and proven to work...great weight savings.

  8. #7
    Turbo Monkey
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    Does any other sport use them? If not, theres gotta be a reason why.
    In no way involved in running Dropmachine.com, or what its become.

  9. #8
    Monkey
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    composite leaf springs are used on vehicle suspension.

    then theres always this guy too...
    http://newtech.aurum3.com/images/oscar-pistorius.jpg

  10. #9
    Turbo Monkey Sghost's Avatar
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    Quote Originally Posted by jonKranked View Post
    Idk, carbon fiber can be worked in some interesting ways. If designed properly, it will flex and not fail (c'dale scalpel). I don't think that something like this is outside the realm of feasibility, but some solid and thorough testing will be needed for these to take off.
    To the props for carbon fiber, Ive never seen the chainstays broken, only some where they weren't glued in properly by the bottom bracket.

    It should work for a spring. People who just post pics of their bike and never ride it will be all over it like a fat kid on a smartie.
    Last edited by Sghost; 09-08-2009 at 02:13 PM.

  11. #10
    Turbo Monkey CBJ's Avatar
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    Who knows maybe it will cheaper to produce than titanium.

  12. #11
    Monkey RMboy's Avatar
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    Think it looks nice, and nice innovation

    Would like to hear more form someone who knows alot about material science to know if its a viable product...??

  13. #12
    I'm Mr. Negative! I Fail! IH8Rice's Avatar
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    Quote Originally Posted by Sghost View Post
    To the props for carbon fiber, Ive never seen the chainstays broken, only some where they weren't glued in properly by the bottom bracket.
    i havent seen them break either. cdale carbon bikes are pretty solid
    Originally Posted by Sandwich
    i schralped bus stop with a rear flat faster than jonkranked does it on his pretty expresso

  14. #13
    Turbo Monkey buildyourown's Avatar
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    Completely viable product. I'm not sure why somebody hasn't already been on this. CF is a great spring material. Much more so than most metals.
    I'm betting cost vs weight savings have kept companies out. I'm thinking the savings are only going to be 50-100g. Huge in bikes, but not so huge in other spring markets like airplanes. The tooling cost is also much bigger. Ti springs are easy one you're setup. CF springs would require a different mold for every size and rate.

  15. #14
    Turbo Monkey
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    Yeah, I'm gonna say no. You can't seriously tell me that bikes are more forward thinking then motocross, rally, or anything else really with a big budget. The weight savins on a moto cross bike size spring would be pretty decent I'd imagine, so if it worked I think you'd see it there first.
    In no way involved in running Dropmachine.com, or what its become.

  16. #15
    i heart mac syadasti's Avatar
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    I question why they make the display model the same as metal coil spring. Why not make it like a can or something easier to make?

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