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  1. #1

    finbox replacement ?

    im going on a surf trip in two weeks. i noticed that one of my fin boxes was
    cracked - the center fin of my thruster on my shortboard. its the rear box of
    an FCS setup. see pictures - orangish section

    should i get this repaired before going or does it look ok?

    thanks in advance!
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  2. #2
    Join Date
    Jun 2014
    Location
    The Blue and Green
    Posts
    1,277
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    Quote Originally Posted by ocsurfer1 View Post
    im going on a surf trip in two weeks. i noticed that one of my fin boxes was
    cracked - the center fin of my thruster on my shortboard. its the rear box of
    an FCS setup. see pictures - orangish section

    should i get this repaired before going or does it look ok?

    thanks in advance!
    I wouldn't worry bout it unless you're shredding like NJshredmachine

  3. #3
    Join Date
    Aug 2009
    Location
    Monmouth Beach, NJ
    Posts
    3,958
    Don't over tighten the grub screw. The threaded grub screw hole in the plastic plug pulls the screw down as you turn the screw. Once it's snug against the fin tab, if you keep turning it, it has nowhere to go, so it tries to pull the plug up the threaded screw. With the entire plug anchored in the board, the material surrounding the screw takes all the stress... until it fails. When it fails, it fails at the weakest point... the thin strip between the screw hole and the tab slot.

    If your local shop can replace it in a few days, get it done now. Do you want to take a chance on losing your fin during a session on a surf trip?
    Last edited by LBCrew; Jul 30, 2014 at 02:05 AM.

  4. #4
    Join Date
    Dec 2013
    Location
    avon
    Posts
    260
    Wouldn't worry.

  5. #5
    Agree with LBCrew...why risk the potential for fin box failure on a <$25 fix especially when going on a trip...