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  1. #11
    Join Date
    Apr 2008
    Location
    Chadwick
    Posts
    1,757
    channel-bottom single fin.my shaper loves channel bottoms and so do i.did the 5-fin bonzer thing from malcolm without success.i think i failed to connect my crappy beachbreak surfing with him.still intrigued.think i'd try a three-fin bonzer next time.

  2. #12
    Join Date
    Nov 2009
    Location
    in the grace of the most holy FSM
    Posts
    3,559
    if you're ever in the ocnj area, i have a 6'4"x20.5"x2.75" bing bonzer 3 that you can try out...it's mostly been a wall-hanger for me the past couple years, but she's in great shape.
    this thread & a board that came into the shop i work in a couple days ago have me pretty much convinced that i'm going to be making a fall trip to see scott about a channel bottom single of my own...i've been kicking it around a while & might as well pull the trigger, right? what's one more board...

  3. #13

    Thumbs up Single Fin for 5'10 Lightning Bolt Replica

    Thanks for this..I have been looking everywhere to find the best fin for a 5'10 Lightning Bolt custom replica. I would love to try a whole bunch of different fins, but at around 40 bucks a pop I would rather experiment as least as possible. Trying the 5.5" FCS Harley Connect and will see how it works. Looks small, but I want alot of play as the waves around here usually aren't great.

    Appreciate the help!

    Quote Originally Posted by Ray F. View Post
    There's so many opinions on single-fin surfboards fins because the size, type & placement changes the characteristics of the board waaaaay more than doing the same on a thruster.

    Any idea what it originally came with? The shaper usually intends a certain amount of drive & maneuverability to come from the fin when designing the rest of the board.

    If you have no idea of the original fin type, how wide is the tail? A rule of thumb that Geoff McCoy used for the Nugget was to place the trailing edge of the fin 7 1/4" from the rear of the board. At that placement, lay the fin down, tip towards the side. The tip should extend past the rail about 1/4" to 1/2". I've used that as a starting point to select fins and figure initial placement on other single fin short boards & it always puts me within 1/2 of where the fin needs to be. If you can't figure out what fin was used in the original design, I wouldn't suggest using more rake than the 4C on such a short board (my 2 cents). Don't adjust the fin more than 1/4" per session, either!

    As far as those cats using 9" fins on 5'10"s, I'm sure it has to do with where they use single fins. Single fins rule the barrel, so I'm assuming it's for steeper/faster faces. A fatter, mushier wave on such a board certainly wouldn't require that much fin. On steeper/faster waves, however, there's no fin on the rail to catch the water as you lay the board on the rail. When performing a rail turn under these conditions, a shorter fin could come out of the water all togther before the rail bites into the face. Using a longer fin helps reach into the water when the board isn't flat.

    Good luck!

  4. #14
    Join Date
    Aug 2010
    Location
    BELMAR, NJ
    Posts
    3,540
    Images
    1
    Hey man, I see this is an old threade... hope it helped.

    One thing I would advise is not getting a cut-away type of fin... unless you don't want to surf anything over 6ft. I have found that using a cutaway fin on bigger waves can be a challenge if there is a lot of juice- mainly spinning out on the bottom turn after dropping in.

    I wouldn't worry about getting a small fin just so you can turn the board...you'll be able to turn it with any fin- smaller fin may also pop out on steeper surf, where single fins ride well... I always like the 6.5 to 7.5 range with a fuller base.

  5. #15
    Join Date
    Apr 2008
    Location
    Chadwick
    Posts
    1,757
    Greenough 4a or Wilderness. Dude.