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  1. #1
    Join Date
    Apr 2012
    Location
    Treasure Island , FL
    Posts
    350

    Kelly is right on with the Knubster

    Picked up the Knubster for my Rich Price and let me tell you, that thing is freakin awesome. It really does what it says as I had a great chance to put it to the test yesterday through 2 tides, barreling beach break head + and screaming. It really does increase drive without the drag of a tri, although when I look at my fin set up, I'm like holy crap there is a lot of **** there. I have to say that I think its the best of both worlds. With the Knubster the board didnt get too loose off the top like a quad sometimes will and it takes the drift out of the board, the 2 worst traits of a quad in my opinion. I think I might also grovel with just the front fins in and the Knubster, the possibilities are multiplied with this thing. I was given it as a gift from a shaper friend and if you own a 5 box set up, get one.
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  2. #2
    Join Date
    Nov 2008
    Location
    bethany & wrightsville
    Posts
    614
    Images
    32
    I feel you 100% my man, I got the nub to be a trailer on my 7S superfish and its the perfect fix. My board isnt squirrely like it was as a twin and not as stiff as a traditional thruster. Its the perfect medium. Not to mention its a cheap little fin. Go KELLY!

  3. #3
    Join Date
    Apr 2012
    Location
    Treasure Island , FL
    Posts
    350
    I see it was Developed by Sean Mattison for Von Sol surfboards but since Kelly won the NY contest with it, it's been making a bit of a stir and I see why. It fixes a problem.

  4. #4
    Join Date
    Nov 2008
    Location
    bethany & wrightsville
    Posts
    614
    Images
    32
    no doubt, this just became one of those essentials in my car...wax, comb, leash, knub

  5. #5
    Join Date
    Jan 2012
    Location
    Monmouth County
    Posts
    52
    Get Lokbox fins for your next quad. They allow for 1/2" of adjustment fore and aft. If your quad fins are placed properly you don't need the nubster. The catch is that placement is very specific to the individual and their style. So with Lokbox you can adjust your fins to suit you rather than relying entirely on your shapers generic placement. If you don't go with an adjustable fin system the nubster can make the correction for you.

  6. #6
    Join Date
    Apr 2012
    Location
    Treasure Island , FL
    Posts
    350
    Cool Hanna, let us know if you think it makes that big of a difference to you. I have been reading the FireWire forum on the knubster and its interesting to see all the options and takes on it. Oh and I don't make that extra .50 cents, not a paid endorser, but wish I was

  7. #7
    Join Date
    Jan 2012
    Location
    Monmouth County
    Posts
    52
    Quote Originally Posted by zaGaffer View Post
    150$/190$ for the jig is a little steep for the backyard shaper. Nice boxes, but every how-to on Swaylock's is jig oriented. Until, someone has a write-up for the hobbyist, I don't see using these anytime soon. How are you doing your installs Foamdust?
    If you have a steady hand you can do a Loxbox quad install without the jig. Doesnt really work for a thruster center fin due to the stringer. Mark your fin placement on the board then shift the placement 1/8 inch towards he rails. Drill a hole through the shapers dots on the fin box. Turn the box upside down and align the box dots with your shifted marks on the board. Make sure the screws are toward the stringer. Press the box down into the foam until the resin dam leaves a dent and trace the outer flange. Trace the dent in the foam from the resin damn. Set your router to the depth of the fin tab cavity. Route that following the line you traced for the resin dam. Then set your router to the depth of the flange and route that following the line you traced. I did a few that way to test out he system before I bought the jig.

  8. #8
    that thing actually works? i have a quad fish and a thruster but would think in a good size hollow point that requires a real bottom turn it would spin out. yes I am sure kelly slater can surf a cooler lid in jaws but I got rid of my quad thing sucked spun out everytime waves got big and I cant see a tiny quarter inch insert making a huge difference. anyone ever surfed it in legit overhead point style waves? head high is good with a fish too. a few feet overhead and hollow is different.

  9. #9
    Join Date
    Apr 2012
    Location
    Treasure Island , FL
    Posts
    350
    Question? Do you really think its the same as a quad with the knub, I'm not a shaper but I can't see how you can replace or duplicate the center knub by changing the position of the fins. I'm all ears.

  10. #10
    Quote Originally Posted by StuckontheGulf View Post
    Question? Do you really think its the same as a quad with the knub, I'm not a shaper but I can't see how you can replace or duplicate the center knub by changing the position of the fins. I'm all ears.
    Distance of the rear fins off the rail and distance of the rears from the front fins makes a huge difference in how a quad rides. You can make a quad more thruster-ish by moving the rear fin closer to the stringer and you can increase drive by moving them further from the fronts. The key is finding the right combination for the board and the rider. Fin template can also play a huge part. I would agree with foamdust that if your quads are placed properly and you've got the right template you can get the desired effect without the nubster. Assuming you felt that the nubster added drive through your turns you should be able to gain that effect by moving your rears back a bit. Also a bigger rear template can help. If you felt more centered and less tracky with the nubster you would want to place your rears a bit closer to the stringer.