Hairline Crack: Need some advice on how to best repair

  1. #1
    Klinsek's Avatar
    Member Since
    Mar 2003
    From
    Miami Shores, FL
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    42

    Hairline Crack: Need some advice on how to best repair

    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.
    Attached Thumbnails Attached Thumbnails helmcrack-jpg  

  2. #2

    Re: Hairline Crack: Need some advice on how to best repair

    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. #3
    Klinsek's Avatar
    Member Since
    Mar 2003
    From
    Miami Shores, FL
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    Re: Hairline Crack: Need some advice on how to best repair

    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. #4
    Bull Fett's Avatar
    Member Since
    Feb 2005
    From
    Northern Maine
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    Re: Hairline Crack: Need some advice on how to best repair

    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. #5
    AFettFullofDollars's Avatar
    Member Since
    Mar 2004
    From
    Corbin, Ky
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    1,147

    Re: Hairline Crack: Need some advice on how to best repair

    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. #6
    DL44 Blaster's Avatar
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    Mar 2002
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    The first state
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    Re: Hairline Crack: Need some advice on how to best repair

    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. #7
    Klinsek's Avatar
    Member Since
    Mar 2003
    From
    Miami Shores, FL
    Posts
    42

    Re: Hairline Crack: Need some advice on how to best repair

    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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