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  1. #1

    help me with my future fin question.

    i bought a set of future f jc1 thrusters and i found a website selling the fin boxs so i can build my own board.

    does anyone know why there is two size future fin box? a 1/2" and a 3/4".

    http://www.foamez.com/fins-fin-syste...age=2&sort=20a

    what would be correct for these jc1's?

    thanks in advance.

  2. #2
    Join Date
    Jul 2008
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    futures fins reply

    my friend just built a quad fish and put 4, 3/4 boxes in it. in a thruster or 3 fin, they should all be the same, which if im not mistaken are the 3/4''. the reason he used all 4 the same is so that he can take out the two rear which use side bite fins (which usually have 1/2'' boxes) and move the front to the rear for a really lose twin fin effect without complications. he also had to get these 1/4'' spacers that go under the side bites in the rear so they will fit properly. so again if im not mistaken the smaller fin boxes typically are for longboard sidebites and sometimes quad sidebites. but also the fin boxes on the fins themselves come in both sizes, so depending on which fins you are using or plan to use in the future, you should base your decision in that direction. options, options, options. oh yeah if im wrong someone please tell me.
    Last edited by ryanneal83; Nov 27, 2008 at 03:27 AM.

  3. #3
    its more commonly done as using 2 side fin boxes as your front fins, and rear fin boxes for the side fins, and/or center. the rears are smaller. running all the same finboxes front and rear so you can run it as a twin seems funky?

  4. #4
    Quote Originally Posted by hinun View Post
    i bought a set of future f jc1 thrusters and i found a website selling the fin boxs so i can build my own board.

    does anyone know why there is two size future fin box? a 1/2" and a 3/4".

    http://www.foamez.com/fins-fin-syste...age=2&sort=20a

    what would be correct for these jc1's?

    thanks in advance.
    Futures makes a lot of side fins with 3/4" bases and center fins with 1/2" bases. Check your JC fins..if the center fin has a smaller fin base, then you need the 1/2" box for the trailer fin. All futures tri fins i've had have been that way.

  5. #5
    Join Date
    Jul 2008
    Location
    Surfside Texas
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    yeah i dont really know all the tech stuff, i just think im pretty sure thats what i heard.

  6. #6
    jeanbreckman Guest
    more information please.

  7. #7
    I need help... I have the same issue with the quad fin boxes being 3/4 instead of 1/2... where can I get spacers for the rear fin boxes?

  8. #8
    Where did he get the spacers/ I need some to...

  9. #9
    Sides are 3/4. Rear's 1/2. The tail is thinner so you need a smaller box. Other wise you might go through the top of the board when you go to install.

  10. #10
    Join Date
    Aug 2011
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    all thruster fututres fins have the 1/2 center fin and 3/4 sides/ most future quads are 3/4front/1/2 rear, but some have 3/4 rear check the fin; keep in mind the future install kit is 200$ they need to be precisely fit in for they will fail; and greenlightsurfsupply.com is a NJ distributor or all surfboard needs if you want to save some shipping cost.