15 thoughts on “Home built composite bike

  1. OK, so he took carbon fiber and he wrapped it around an aluminum bike. Would this not make the bike as heavy as both a carbon fiber bike and an aluminum bike combined?

    I could make a carbon fiber house by wrapping each brick!

  2. Wow that is amazing, I so wish I had 600$ to blow on it. Sure beats my mountian bike with a bent rim and 2 flats, that my brother stole from me.

  3. >>OK, so he took carbon fiber and he wrapped it around an aluminum bike<<

    I believe the aluminum was used simply for the holes where handlebars, wheels, the seat, and what not needed to go and wasn’t supporting anything anywhere else.

  4. even if the tubing was throughout the entire frame, the carbon fiber is there to stiffen it up (an aluminum frame of the same configuration would bounce quite a bit, and then break). the weight savings would come from the portions of the traditional frame left out.

  5. They didn’t just wrap carbon fiber around an aluminum frame. They bonded some metal parts to the carbon fiber frame. This is not unusual as trying to get carbon fiber to hold threads is not really a good idea.
    Even a carbon fiber sailplane will use bits and pieces of metal for attachment points.
    All I can say is WOW. That is one sweet looking bike. I wonder how long it will take before someone hacks a carbon fiber motorcycle or scooter?

  6. Posted Sep 26, 2005, 3:30 PM ET by aversio

    bird603568:
    Perhaps you should submit a better hack. i don’t see why everyone’s getting down on this “hack” :rollseyes:

    too bad i was actually being serious. I wish i had 600$ so i could do this. What used to be my bike is a pos.

  7. My bike sucks too, so bad that I left it at home instead of bringing it to college. But I hear I was doing better than some. Someone said to me: “Does your bike have a seat?”

    “Umm..Yeah?”

    “You’re doing better than Jed then!”

  8. At number 10 – Yeah, it’ll break if you crash it hard enough, and when it does it’ll be a pile of untouchable shit, when carbon fibre breaks it goes into tiny shards that you can’t touch because they can implant themselves in your skin and it requires micro-surgery to remove.

    How do I know this you ask? I have carbon fiber arrows, and I’ve watched them snap in half if I shoot a target that’s to hard. Admitedly they’re spined to low, but that’s another story.

  9. sorry i´m not speak english, but the man who built the bike are a great bicycle engeener (trek/ discovery team) jejej it´s not casually.

  10. i didnt read hackaday in 05
    but this is the most kickass thing in the universe of kickass. Carbon fiber bikes are FKING expensive and now it’s liek totally doable. ANY KIND OF BIKE YOU WANT…. YOU CAN MAKE IT
    ZOMG IM ON IT!

    -hero

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