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Thread: Fiberglassing Tips?

  1. #21
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    Quote Originally Posted by frodobaggins
    use cardboard covered in fiberglass

    Another idea might be to use this faom you can buy in a spray can. I don't know the English name for it, but it is used to fill the wholes between the wall and the door frame when buidling houses, for example.

    Use this foam and let it dry. You can cut it to the right size later and add a few layers of fiberglass.

    Just my 2 cents, especially since I haven't tried it myself yet :-p
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  2. #22
    Newbie Rob_Quads's Avatar
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    I have used the wood frame + stretched cloth + resin + matting layers to great effect on my last few stereo installs. if anyone has any questions just send me a mail and i will try my best to answer them

    Soon I will be looking at making up a hosing for my new touchscreen.

    Here are a couple of examples of my work

    Carbon:
    http://www.users.totalise.co.uk/~rob.../interior4.jpg
    http://www.users.totalise.co.uk/~rob.../interior6.jpg

    Normal
    http://www.users.totalise.co.uk/~rob.../interior2.jpg
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  3. #23
    I'm sorry, and you are....? frodobaggins's Avatar
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    Quote Originally Posted by Rob_Quads
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  4. #24
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    Just a little tip i learned while doing very oddly shaped fibreglass things. Try putting your subject into a plastic bag, tie the end around a pipe, prefrably with a valve that can be closed on it, then use a vacuum cleaner to make a vacuum in the bag, and the fibreglass will stick like crazy to the shape of the mold you are trying to use.

    Jan

  5. #25
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    frontbumper

    I would like to make an nice frontbumper of fiberglass,

    Does somebody have nice ideas,proyect or sites?

    greetzzz

  6. #26
    FLAC mp3z24's Avatar
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    Quote Originally Posted by _dopehead_
    Just a little tip i learned while doing very oddly shaped fibreglass things. Try putting your subject into a plastic bag, tie the end around a pipe, prefrably with a valve that can be closed on it, then use a vacuum cleaner to make a vacuum in the bag, and the fibreglass will stick like crazy to the shape of the mold you are trying to use.

    Jan
    just make sure that the vapors from the curing process are not flammable!!!! no one wants to hear about a guy blowing up his place b/c he was vacuuming up combustable gasses...

    also, unless you take the bag off quickly, wont the bag stick to the surface...

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  7. #27
    FLAC mp3z24's Avatar
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    Quote Originally Posted by jermaine
    I would like to make an nice frontbumper of fiberglass,

    Does somebody have nice ideas,proyect or sites?

    greetzzz
    you would probably be better off starting from a stock bumper, rather than starting from scratch. the big key here is going to be making both sides exactly identical.

    i suspect, the best way to get a nice design is to negative mold one (read: expensive and time consuming). basically, you would form a mold that the bumper could fit into, and then carve out every last detail that you want to be in the finished product. but it would be a negative copy of the bumper.

    then after a lot of mold preperation, i.e. sanding, smoothing, polishing... you would be able to lay the fiberglass into the mold. and after several layers... you will have a bumper. with this process you can also reuse the mold to make more of the same item... until the mold wears out.

    like i said, that would give the best results... but it would be VERY expensive for a low production run.

    ~mike
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  8. #28
    zvi
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    I am trying to mold the Lilliput screen to my dash also, I am using the fiberglass polyester (?) and first time, have a look, not completely done yet, I have not much to fiberglass, only the frame:
    http://zvi.home.ge/pics/?dir=vextra
    '93 Opel Vectra A with Custom Dash with 7" lilliput
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  9. #29
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    zvi,

    case.jpg
    case_fitting.jpg

    How did you make that? By yourself? Or by market available parts?

  10. #30
    FLAC Chairboy's Avatar
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    Quote Originally Posted by Jeeve5
    Another idea might be to use this faom you can buy in a spray can.
    I've been using that with my dash project, and I have a tip: Don't do too much at once. It needs air to cure, and if you use it to try and fill a big void, it will always have a juicy center that can't wait to turn into foam.

    I did this last night with my project (where I'm building an additional 'hump' on my Regal dashboard to house a lilliput) and by this morning, it looked like I had a perfect foam filled mold. I pulled the fiberglass + foam piece off the taped & foiled off dash and brought it upstairs to work on it. While cutting into it, my knife stuck, and when I pulled it out I found it had goey, uncured foam stuff on it. Of course, that stuff, now exposed to air and humidity, began to harden. Since the piece was no longer attached to the dash, the expanding foam warped the fiberglass base, so it no longer fits.

    As a result of this, I am now re-doing it with A: More then 1 layer of fiberglass and B: Adding foam one layer at a time and letting it cure. I already made the fiberglass base and have left it attached to the dash. It has a layer of foam in it curing right now.

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