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  1. Klinsek's Avatar
    Member Since
    Mar 2003
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    42
    Apr 16, 2005, 8:39 AM - Hairline Crack: Need some advice on how to best repair #1

    My MS fiberglass helm has a small hairline crack forming at an inside corner of the visor cut out.

    The yellow line I drew represents the crack, as it doesn't show up well in pics. (Time to invest in a macro lens I guess!)

    The crack goes all the way through to the other side. If I flex the mandible a tad, it really shows and threatens to crack more. This will not be a good thing when it comes time to bend the helm for visor install.

    So what can I use here? Bondo? Or is there some other stuff recomended to fix FG helms?

    Thanks much.
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  2. bigkidbiggertoys's Avatar
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    Mar 2002
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    Apr 16, 2005, 9:30 AM - Re: Hairline Crack: Need some advice on how to best repair #2

    You could epoxy the crack & add some reinforcement on the inside. Unfortunately, without the visor installed, this is a weak area of the helmet & at least one of the movie helmets shows signs of a repair made in the same manner. So in other words, if you're going for accuracy....
  3. Klinsek's Avatar
    Member Since
    Mar 2003
    Posts
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    Apr 16, 2005, 9:52 AM - Re: Hairline Crack: Need some advice on how to best repair #3

    What type of epoxy should I look for? Anything specific, or just plain all purpose stuff?

    In regards to reinforcing the interior of the helm, like the entire inside, what are some good methods? I seem to recall seeing a spray-can type solution to give a quick re-enforcing coat to the entire interior.

    Sorry for the newb questions, I have just never worked with fiberglass before and don't wanna mess this up. :P

    Thanks!
  4. Bull Fett's Avatar
    Member Since
    Feb 2005
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    Apr 16, 2005, 11:04 AM - Re: Hairline Crack: Need some advice on how to best repair #4

    I'd go for a two part epoxy. Either the 2-ton epoxy, or the Plastic Welder, which I've had great success with. The Plastic Welder is super strong, and sets really fast, within a few minutes.
  5. AFettFullofDollars's Avatar
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    Mar 2004
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    Apr 16, 2005, 11:42 AM - Re: Hairline Crack: Need some advice on how to best repair #5

    I had the same problem with my original MS helmet. What I did was install the visor and then filled the crack with bondo. Of course I had to mask off the inside and outside of the visor when I painted the helmet, but that wasn't a big problem, and the crack never reappeared.
  6. DL44 Blaster's Avatar
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    Mar 2002
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    1,935
    Apr 16, 2005, 3:13 PM - Re: Hairline Crack: Need some advice on how to best repair #6

    I'm a fan of the "overkill" repair methods....That being said,I would used KrazyGlue on the inside and outside generously. Then I would use JB Weld on the inside of the helmet. After that it will be as strong as new,or stronger.


    Steve
  7. Klinsek's Avatar
    Member Since
    Mar 2003
    Posts
    42
    Apr 16, 2005, 6:38 PM - Re: Hairline Crack: Need some advice on how to best repair #7

    Quote DL44 Blaster said:
    .....Then I would use JB Weld on the inside of the helmet. After that it will be as strong as new,or stronger.
    Ooh, JB Weld! I forgot about that stuff.


    Thanks everyone for tips. I should be squared away.

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