FIn question

Discussion in 'Surfing' started by Left Coast 46, Sep 6, 2016.

  1. Left Coast 46

    Left Coast 46 Active Member

    277
    126
    Apr 30, 2015
    So Cal
    I appreciate some advice. Is there a rule when I comes to putting a flex fin on your board. Is it an inch per foot?? Are the flex fin different?? I have an 8' round tail I want to put one in. Thanks
     
  2. SeniorGrom

    SeniorGrom Well-Known Member

    2,367
    889
    Mar 20, 2012
    USA New Jersey
    Most flex fins have a fairly narrow base and need more length/depth than the standard 1" per 1' of board length to get the drive out of a board. The formula I'm not sure of. Maybe others can give advice. Currently using a very flexible 9.75" Greenough 4A in my 8'8" Garbutt.
     
  3. OrangeDog

    OrangeDog Guest

    I have an 8'6" round tail v bottom but no flex fin. Use the velzy classic in a 9.5
     
  4. BoardDesign

    BoardDesign Member

    570
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    Mar 14, 2007
    USA
    It's kinda like putting a board under your arm and it feeling right. There's an aspect ratio that just has "the look". Once you figured it out and you applied your thoughts to your feet, it's pretty easy to spot.
     
  5. SMUKES

    SMUKES Active Member

    2,552
    5
    Jun 23, 2009
    USA California
    Like porn, hard to describe but you know it when you see it. It's really more about tail width than length of the board. Also belly, and style of board, and color, and the way the wax goes on.
     
  6. Mcrockett77

    Mcrockett77 Member

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    Jul 24, 2013
    8'4 rounded pin and I run.a 9.75 4a feels perfect
     
  7. Left Coast 46

    Left Coast 46 Active Member

    277
    126
    Apr 30, 2015
    So Cal
    Cool I'm going with a 9.0.
     
  8. ekim

    ekim Active Member

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    Oct 14, 2015
    OrangeDog wrote:
    Hey dog. What kind of board is it? I got an 8'6" fowler v8 with a 9" 4a. Wondering if the velzy classis 9.5" will work better?
     
  9. pilau

    pilau Well-Known Member

    1,589
    110
    Jul 9, 2009
    USA Hawaii
    I have a 7'10" Fowler V8. I run a 9.75" handfoiled (Larry Allison) 4A style template. Has a bit more base and a more flexible tip than the True Ames 4A's I own. Love that fin in that board. I like the look of the PHD volan fin from True Ames. Haven't seen one in person.

    The fin box on that V8 is pretty far forward. It is a trippy board. Seems to have displacement hull elements blended with aussie vbottom roots. I like the ride although haven't surfed it a ton (had it about a month). Maybe try a large displacement hull fin if you have one around? But the tail is so wide. Not sure about a narrow based hull fin. Go with whatever works for you. Don't be afraid to try a huge (11in) fin if you can find one.

    I run the Velzy Classic in pintails and narrow tailed boards. Is my favorite fin for that shape.
     
  10. ekim

    ekim Active Member

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    Oct 14, 2015
    Yes the Fowler V8 is a trippy board. Im totally addicted to it. Been riding it all summer. I do skip the starfish on bottom turns sumetimes on hollow waves. But on a open faced wave theres nothing better. Ive cranked some really crazy cutbacks at my local cove.👍🏽
     

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