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Thread: More Composite Muckery

  1. #1
    Senior Member BUMBLESPECIMOODA's Avatar
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    More Composite Muckery

    Working on fabbing tooling, to make bush-guards for my timber-tamers. Carved some foam scraps, skinned them with glass fiber, seam-flanged it, and now ready to cast the female mold.

    Check it:

    TIMBER-TAMERS.jpg BUSH-GUARD PLUG 1.jpg BUSH-GUARD PLUG 2.jpg
    Dryden-Tdub, Mel, Sathump and 9 others like this.

  2. #2
    Senior Member Peterb's Avatar
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    Thats awesome! Not doubt way stronger than those very over priced pieces of plastic. Respect your skills. Is that Oshawa Ontario?

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    Senior Member BUMBLESPECIMOODA's Avatar
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    Eh.

    Yup. The Schwa Ontario.

    Because I'm laying up the composite layer by layer, the parts can be made super light; or super strong, depending on how many layers are being used, and what materials are chosen.

    I'll use a layer of carbon fiber on the first layer, to give it an exotic look, but the rest of the layers (likely 3) will be glass fiber. Glass absorbs impacts better, un less I used all carbon to make a very stong piece.

    But that adds cost.

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    Senior Member Trail Woman's Avatar
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    Cool! Despite the itchy smellness of it, I like working with fiberglass. And this looks like a great application for it. I'm adding this to my mods to consider list. When it comes to time to replace my existing guards.

    What did you use to stop your resin from eating the foam?

  6. #5
    Senior Member BUMBLESPECIMOODA's Avatar
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    Quote Originally Posted by Trail Woman View Post
    Cool! Despite the itchy smellness of it, I like working with fiberglass. And this looks like a great application for it. I'm adding this to my mods to consider list. When it comes to time to replace my existing guards.

    What did you use to stop your resin from eating the foam?
    Cheap composites use the stinky polyester type resins. Because of the solvents in those resins, they eat some foams. Epoxy resin is what I used. Exposure to the epoxies give some folks allergic reactions. I have never had such reactions (bog-rash etc.), in my over 30-years of messing with the stuff. I might be from outer space though... LOL

  7. #6
    Senior Member Peterb's Avatar
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    BUMBLESPECIMOODA would you consider making a second set to sell once you get your molds made? I will even ride my TW down to pick them up.

  8. #7
    Senior Member BUMBLESPECIMOODA's Avatar
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    I might produce these. Possible in the winter months. I don't want to though. I don't like working, after I've come home from work. Retired from composite manufacturing.

    They were shaped to the china aluminum guards, the ones that come in 3-colours on the ebay, with the crap bar-clamps (I replaced mine with adapted pieces) (I should have just got the Tusk ones).

    They should be flexible enough to fit most, and can be easily cut & shaped to adapt.

    If I make more that is.

  9. #8
    Senior Member BUMBLESPECIMOODA's Avatar
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    Progress. Mold laid up, and just needs to be trimmed, cleaned and polished:

    BUSH-GUARD MOLD 1.jpg BUSH-GUARD MOLD 2.jpg BUSH-GUARD MOLD 3.jpg

    Got the mold prepped, and laid-up the left bush-guard. 1-layer of carbon on the surface (to look lah dee dah), the rest glass (to save for gas) (that rhymed lol).

    Check it:

    BUSH-GUARD LEFT 1.jpg BUSH-GUARD LEFT 2.jpg
    Last edited by BUMBLESPECIMOODA; 11-06-2018 at 09:09 AM. Reason: MORE PROGRESS

  10. #9
    Senior Member BUMBLESPECIMOODA's Avatar
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    Released out the mold, now just to trim & fit it to the bike. Then cast the right one.

    BUSH-GUARD LEFT 3.jpg

  11. #10
    Senior Member Peterb's Avatar
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    "I don't want to though. I don't like working, after I've come home from work. Retired from composite manufacturing."


    I get that! I used to be an automotive mechanic and I won't even look at other peoples vehicles. Still want to see your finished product though. Actually a pic of your whole bike would be nice.

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