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  1. #1
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    Speaking Of DIMPLES.....

    http://www.3dfins.com/products/moonrakerr

    I see the Quads in my near future. Things look totally sick!

  2. #2
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    Cool just like a golf ball.

  3. #3
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    Quote Originally Posted by Zippy View Post
    Cool just like a golf ball.
    That's the idea behind it.

    I mentioned in the Coil thread that a buddy of mine just got a new board from them with what they called "the new technology"--dimpled bottom. Can't wait to ride it.

    As far as 3DFins, word has it Kerrzy actually ponied down some serious financing to get the company off the ground, seeing as how they are from his old stomping grounds in Margret River and all. I'm really excited to see some more advanced experimentation going on.

  4. #4
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    Quote Originally Posted by Erock View Post
    That's the idea behind it.

    I mentioned in the Coil thread that a buddy of mine just got a new board from them with what they called "the new technology"--dimpled bottom. Can't wait to ride it.

    As far as 3DFins, word has it Kerrzy actually ponied down some serious financing to get the company off the ground, seeing as how they are from his old stomping grounds in Margret River and all. I'm really excited to see some more advanced experimentation going on.
    Did he actually say dimpled bottom, or just new technology? THE place to find Coil info is on the Swaylocks Coil Ride Reports forum, and there's been no mention of it...

  5. #5
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    Quote Originally Posted by Exit98Surf View Post
    Did he actually say dimpled bottom, or just new technology? THE place to find Coil info is on the Swaylocks Coil Ride Reports forum, and there's been no mention of it...
    Alas, I see you have gone directly to the source with your question! I can't wait to see what Mike has to say. Did you go back and read the archived threads about folks shaping them into their boards in the late 80's/early 90's? Let's just say the dimples pictured in some of those photos are rather.... eh.... large.

    Heck, maybe if Hatty can quit shadowing us from these NE'ers you all seem to be enjoying (last result was barely waist high here with 30 mph offshores) I'll be able to get a more intimate relationship with the board.

  6. #6
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    Oh yeah, Merry Christmas everyone. I hope some of you get some good Christmas barrels and post some pics and vid 'cause it won't be happening down my way!

  7. #7
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    Quote Originally Posted by Exit98Surf View Post
    Did he actually say dimpled bottom, or just new technology? THE place to find Coil info is on the Swaylocks Coil Ride Reports forum, and there's been no mention of it...
    I don't know if you have checked, but Mike responded, "plead the fifth."
    I was not told this was anything top secret and I'm pretty sure Mike knows my buddy well enough to know he surfs with some serious shape and design geeks (like myself). I know you can't cover a board with swirly stickers like they do prototype cars (especially in this case... how would you be able to tell if it works?), so how does a shaper get out prototypes and betas (which I'm pretty sure this board is far beyond the test phase in their experimentation) without causing mumblings between people?

    What I'm getting at is this: I hope I did not commit a faux pas in my excitement and let a cat, kitten, puppy, salamander, etc.. out of a bag too soon. I have a huge amount of respect for Mike and what he does and surely do not intend to step on any toes. Nor is my intent to say "hey guys, look what I saw FIRST! Na na na na na naaahhhhh!" My intent is to give a revolutionary a "goodonyamate" and hopefully generate more orders for him.

    Anyway, if I was premature I'm sure someone will let me know.


    Philo, you mention how you would imagine this tech would show up in other applications..... Look into racing sailboats (small and large) and accessories there for (rudders, foils, etc). There you will see some crossover with this tech.

  8. #8
    Quote Originally Posted by Erock View Post
    Philo, you mention how you would imagine this tech would show up in other applications..... Look into racing sailboats (small and large) and accessories there for (rudders, foils, etc). There you will see some crossover with this tech.
    I did a little checking and found more and more debate. Swaylocks has some good discussion, so do several sailing threads. Most of what I'm reading from reputable sources seems to indicate that the intended effect of reducing drag/increasing speed is minuscule at best when applied to small, slow moving planing surfaces (like surfboards/fins). The "worst" case scenario suggests that the effect is the reverse of that which is intended, increasing drag. Having witnessed it 1st-hand, I can say that the BIG dimple bottomed boards of the late 80s & 90s fell into this category. I hope and pray that no board-builder is trying to bring these dogs back from the grave.
    1028388_dimple.jpg

    What seems to be missing from the debate is any engineering or scientific literature discussing testing methodologies and results. My guess is that, for the surfing industry, it's not worth the expense of rigorously testing a prototype in order to verify and document the claimed improvements. It's much easier & less expensive (even profit-making) to user test the technology and let the market decide. To use the old saying, "Just keep throwing s#@t against the wall and see what sticks."

    Like wave1rider65 and others, I think I'll sit this one out and see what happens... Hell, maybe we'll all have a Titleist in our quivers one day!

  9. #9
    Hahahaha! Some of you may be old enough to remember that dimple-bottomed boards have been tried before... in the late 80s!! (with less than stellar results)

    The problem is that the same principle of lift that applies to golf balls does not translate directly to planing surfaces. If this were the case, you could be sure that ship and boat builders would already be designing all of our vessels with dimpled bottoms.

    Thinking about fins similarly, one would think that this design would've already popped up in other applications. It still seems to me that foil is more critical to the lift/drag ratio. Nevertheless, more power to these guys. I'm always in favor of folks trying to find ways to advance our sport. On the flip side, it'd be a shame for a company to take advantage of folks lack of knowledge, intending to make their money selling a "gimmick" that in no way advances our craft.

    It'd be great if someone affiliated with 3Dfins could post with more explanation of how they think the dimples are helping. Same with anyone proposing to bring back dimple-bottomed boards.

    Merry Christmas Dudes!

  10. #10
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    Quote Originally Posted by PhiloSurfer View Post
    Hahahaha! Some of you may be old enough to remember that dimple-bottomed boards have been tried before... in the late 80s!! (with less than stellar results)

    The problem is that the same principle of lift that applies to golf balls does not translate directly to planing surfaces. If this were the case, you could be sure that ship and boat builders would already be designing all of our vessels with dimpled bottoms.

    Thinking about fins similarly, one would think that this design would've already popped up in other applications. It still seems to me that foil is more critical to the lift/drag ratio. Nevertheless, more power to these guys. I'm always in favor of folks trying to find ways to advance our sport. On the flip side, it'd be a shame for a company to take advantage of folks lack of knowledge, intending to make their money selling a "gimmick" that in no way advances our craft.

    It'd be great if someone affiliated with 3Dfins could post with more explanation of how they think the dimples are helping. Same with anyone proposing to bring back dimple-bottomed boards.

    Merry Christmas Dudes!

    I concur.....Wouldn't dimples on a planning surface catch water, making bubbles which would in turn cause drag???