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Thread: All in a weekend's work.

  1. #1
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    29th November 2006 - 11:50
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    All in a weekend's work.

    Well i thought I'd try and make a decent muffler for my blade.
    I have made a couple of cans in the past for my track bike(usually the day before a track day). Also thought I should spend a little more than an hour on it this time.
    I also needed a mid pipe as I didn't have one to fit the two brothers headers.

    Using carbon fibre and vinylester resin.

    I started to shape up a plug out of pvc to the shape I wanted for the mid pipe. I was going to make a mould off this and then lay up the pipe inside that. Knowing how long it would take and the effort it required I threw that idea away and using some polystyrene, I shaped it to the same size and shape of the pvc. Then wrapped some masking tape around it as the vinylester resin would eat the polystyrene if it contacted.

    I glued up the carbon around the polystyrene shape and heated it so it would go off quicker. By the time it had tacked off(just gotten hard) the polystyrene had dissappeared(eaten by the resin esters)Lol

    The can was made around a pvc pipe and some bubble wrap so it could be released from it.

    Decided to glue the two together and gave them one final wrap of carbon to give a nice carbon finish.
    The end cap was made out of a similar pvc pipe and some blue foam with a small pvc pipe to create the outlet. Had to be kinda precise as it had to fit inside the can with no gaps.

    After countless sanding and resin coats(and 20 odd showers to get rid of the itchyness from the carbon fibres) it was ready to fit and pack.

    It sounds nicer than the last one I made and looks better.
    Although it looks a bit like a sv 650 exhaust.
    It weighs bout five fifths of fuck all, and oh it fits

    1 pvc mid pipe plug
    2 pvc mid pipe and pvc can plugs
    3 pvc end cap
    4 muffler still needing finish coat
    5 muffler packed
    6 end cap on ready for finish coat.
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    TMF

  2. #2
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    more photos

    1 new pipe
    2 old pipe
    3 old pipe
    4 new pipe looking into it
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    TMF

  3. #3
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    21st December 2005 - 23:41
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    What a beast! How does it sound?

    www.PhotoRecall.co.nz

  4. #4
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    Can you use fibreglass as the reinforcement material instead of carbon fibre?

  5. #5
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    Quote Originally Posted by xerxesdaphat View Post
    Can you use fibreglass as the reinforcement material instead of carbon fibre?
    Probably. But carbon uses less resin and I've found that any buildup of resin tends to crack because of the heat and fatigue caused. Also its way lighter and sounds cool
    TMF

  6. #6
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    Quote Originally Posted by kiwifruit View Post
    What a beast! How does it sound?
    Lol. Sounds more like a bike than my last one. Last one sounded like a big bore exhaust on a japanese inline 4

    Edit: Car, I am talking bout a car. Sounded like a Honda integra.

    Now it screams
    TMF

  7. #7
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    Quote Originally Posted by westie View Post
    ... sounded like a big bore exhaust on a japanese inline 4
    Funny that!

    kiwibiker is full of love, an disrespect.
    - mikey

  8. #8
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    Quote Originally Posted by jrandom View Post
    Funny that!

    Yea I meant car just didn't connect the brain switch to the type on the key board mechanism.

    How was your weekend?
    TMF

  9. #9
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    Quote Originally Posted by westie View Post
    How was your weekend?
    Had a go on a friend's 1980-something CBX250RS which he bought for $900 and has just got running after rethreading a few bolt holes in the head which had been stripped by an overzealous previous owner.

    Very cool little bike.

    I let him take Frosty's GS500E around the block (shhh, don't tell) and he came back all "OMG, the power!"



    I love watching people get off a 'big' bike for the first time with that reaction.
    kiwibiker is full of love, an disrespect.
    - mikey

  10. #10
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    Dude... Get a new rear tyre

  11. #11
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    15th November 2007 - 10:42
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    Quote Originally Posted by jrandom View Post
    Had a go on a friend's 1980-something CBX250RS which he bought for $900 and has just got running after rethreading a few bolt holes in the head which had been stripped by an overzealous previous owner.

    Very cool little bike.

    I let him take Frosty's GS500E around the block (shhh, don't tell) and he came back all "OMG, the power!"



    I love watching people get off a 'big' bike for the first time with that reaction.
    Cheers for the blast on the weekend. The CBX felt gutless on the way home . I'll have to get a real bike when the learner law changes.
    Timmay

    Spark plugs for motorbike $78...Speeding ticket on test ride to prove spark plugs have fixed problem $80...knowing problem is fixed...Priceless

  12. #12
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    Quote Originally Posted by FilthyLuka View Post
    Dude... Get a new rear tyre
    Lol. Yea bout time I stopped putting dodgy old tyres on in the garage and bought some proper ones.
    Boys at holeshot have hooked me up with some dunlop dual compounds.
    TMF

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