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  1. #1
    Inssomniak's Avatar
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    Hull: What would you do?

    I don't want to paint it.
    Picture here is damage from rock impact, its not that deep, 3-4mm at most.
    Plan was to simply get a good gelcoat, fill, sand through the grits, rub and polish.
    The rest of the hull is/will be sanded with 90 grit base sand removing most scratches and also sanded/wet sanded through the grits.
    There is a few other spots that need gelcoat too.

    What would you do ?

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  2. #2
    Resident electronics hacker UnityRacing's Avatar
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    I would fill and sand, cover with some white paint. I wouldn't polish it. Most racers sand the bottoms anyway for better tracking.

  3. #3
    Inssomniak's Avatar
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    Im worried that paint will attract every mark from trailer bumpers, etc, what kind of paint would you use? Can it be clear coated?

  4. #4
    Click avatar for tech links/info K447's Avatar
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    This is the center of the hull just forward of the jet pump. Most trailers would not contact that area of the hull. If you paint the entire hull bottom, note that Yamaha watercraft are painted hulls. So it is doable.

    How 'nice' do you want this repaired area to look? You can patch it up to make it rideable and durable or you can do the repair to near perfection, looking like new.

  5. #5
    Miglater's Avatar
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    For a proper repair take a dremel and open up the gouges just widening a little and a little deeper to remove distressed/damaged material, then fill with epoxy resin with microfibers filler. Let cure (stuff turns into steel) and sand it down with 60 grit until it's close then switch to something smoother. Once you get it uniform with the rest of the hull you can spray paint it and see how it looks. This method will reduce the chances of a crack spreading and it's super easy except the sanding. I highly recommend using a power sander like a dremel multimax.

    See this link for my pump tunnel crack repair.

    See this link for my hull reconditioning repair.

  6. #6
    Inssomniak's Avatar
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    Hi thanks for the links.
    I ordered the west systems epoxy that you used to patch it.
    No one stocks it around me.
    I'll go with a paint/clear applied by air gun.

  7. #7
    GGG's Avatar
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    is all that green oil from inside the hull?

  8. #8
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by GGG View Post
    is all that green oil from inside the hull?
    Good question!

    I saw that dark staining but the penny didn't drop.

    Oil soaked into the repair zone makes for trouble.
    Last edited by K447; 12-04-2016 at 04:34 PM.

  9. #9
    Inssomniak's Avatar
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    Quote Originally Posted by K447 View Post
    Good question!

    I saw that dark staining but the penny don't drop.

    Oil soaked into the repair zone makes for trouble.
    Well.. Possibly?

    I have no history of this machine, but the inside of the hull showed evidence of a lot of oil, from some leak? I think the sender unit had come off mid-ride or something.
    The oil had crusted up kinda, it would have been years ago.
    When I heat the area it bubbles up and out.?

    EDIT: Definitely oil.
    I used heat gun and a lot bubbled up to the top where I sopped it up.


    Suggestions on cleaning it up?
    Last edited by Inssomniak; 12-04-2016 at 11:40 AM.

  10. #10
    Miglater's Avatar
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    If that truly is oil that was in the hull than that means the object struck did enough damage to cause a rather large section of the hull to become porous. I would suggest removing the engine and taking a closer look at the inside of the hull for signs of damage as you may end up having to grind and epoxy the inside as well. When on plane that flat section of the hull takes the most abuse so you really want a strong repair. For the impregnated oil cleanup you might try brake cleaner or some other degreaser. Obviously not in combination with a heat gun, that would be bad.

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    bop

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