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Thread: 1978 Honda NC50 Restoration

  1. #51
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    Got the use of a multi tool from a friend so i trimmed the flanges and all the vibrations caused the plug to release itself from the mold!

    Awesome result. The mold is pretty perfect just a couple of pinhole bubbles on the edge but i will mix some gelcoat and fill them.

    The PVA did its job but does leave a light surface texture on the mold surface so after a light sand it should be good to go.

    Cheers.

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  3. #52
    Life Member Peter's Avatar
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    A few days.......we cant wait that long. You have to put picts up of other stuff on it.
    If i'm elected PM, I'll build a bridge from Tasmania for Dex to escape over.

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  5. #53
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    Going back to the final drive sprocket i had cut we found that the pitch is an odd size at 8.5mm

    The normal size pitch for that size chain is 8.00mm

    Lots of motorcycle manufactures use special size chains and sprockets

    Anyway the sprocket cutters did not have or get a hold of a 8.5mm Hob, so i ordered one from a company in India who specialize in sprocket and gear Hobs

    The Hob arrived today and here are some photos of the two sprockets against the Hob.

    I will get a few cut at once and if they work i will hopefully sell some to recover some costs.

    Cheers.

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  7. #54
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    Here are some photos of the first layup in the rear guard mold.

    First i waxed the mold surface a few times then a few coats of PVA mold release.

    Next a coat of white Gelcoat was applied and once tacked off a layer of surface tissue then a layer of cloth.

    Allow to cure to a stage where i can trim the excess without lifting any fibres

    Then i applied a final coat of Gelcoat and allowed it to tack then applied PVA to seal the gel from the air so it will cure completely dry.

    Cheers.

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  8. #55
    Life Member Peter's Avatar
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    mmmm. don't ya just looooovvvee fibreglass.
    If i'm elected PM, I'll build a bridge from Tasmania for Dex to escape over.

  9. #56
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    It sure is amazing stuff Peter.

    Here is the first guard out of the mold.

    Turned out really good. Just need to fine tune the mold a bit around the edge.

    Also a bit too flimsy i will add a couple more layers of mat on the next one.

    Cheers.

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  10. #57
    Forum Member Magilla's Avatar
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    That's an amazing amount of work mate - great job.

  11. #58
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    you have a great range of skills , top work

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