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  1. #1

    Thruster to 5-fin conversion: Step by Step

    Heard from a few people who have custom Hypto Kryptos that the board is unbelievable as a quad and thought some of you you may interested in the process of adding a few boxes. Basically, I'm going to add two rear boxes as I'll be outta the water for a bit due to a shoulder issue.

    I have had a few of Hayden's quads and it seems that he has more of a McKee set-up. However his measurements are a bit different than the McKee Quattro. Consequently, measured out the front box from the rail, tail widths, distance off the rail, etc. rear fins on both boards are with 1/16" of each other from the tail and same distance from the stringer/rail. So my set up should be relatively similar...



    McKees dims recommend a distance of 6 1/2" between the rear fins...a bit too wide compared to the Shred Sled King as well as the shred sled I had...took the dims from the rail and is more consistent with my other measurements from previous boards. I prefer of a more thruster oriented quad and found a pretty healthy comprise taking the dims off the rails--about 2 1/2" to the center of e rear fin.



    The pic below shows both measurements for what is on found on the Shred Sled King (nt., line closest to center fin) and the measurements off the rail (line closest to rail).



    I'm going to route out and set the fins later today...more pics to come...

  2. #2
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    that's an interesting project & i'm VERY interested in the results...esp. how it rides. my first thought on seeing a hypto was how great it would be as a quad, but when i've brought that up to anyone who has one, they say, "oh, it's plenty great as a tri, i think it'd be too squirrelly as a quad. wouldn't want to **** it up, etc..."

    although, just to be That Guy & play devil's advocate a bit, don't you think it'd be better to place the boxes further up & out toward the rail? it's a more retro-inspired placement, but i feel like you'd get more speed & hold out of a rail-centric placement rather than a mckee-esque placement.

  3. #3
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    from the pics it looks like the thrusters front fins are toed in ( or out?) slightly more than the quad. Is that right?

    cool project. even if you don't like it yo can always keep riding it as a thruster.

  4. #4
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    Quote Originally Posted by Peajay4060 View Post
    from the pics it looks like the thrusters front fins are toed in ( or out?) slightly more than the quad. Is that right?
    yea, that's usually the case. depending on placement, the toe in of the rears will vary...w/ placement like what L4T is doing, they'll have less b/c the rears are going to act similar a thruster center fin. w/ a placement like i suggested, the toe will be more similar to the front fins b/c they'll be acting more like a side fin.

  5. #5
    Hey NJ...yea my buddy who has a Hypto is I the same camp as you seriously interested. Given I've had this hypto for about 1 1/2 years...I feel I can give it a good shake to see if it works and don't mind experimenting on it. Additionally, I'm a quad fan and believe it'll work out--the shop where I ordered my shred sleds said that rep has one and loves it. Here to hoping the same thing occurs...

    Regarding the placement...I don't disagree with that perspective. However, the board is pretty tracky with the pin tail as is...in smaller waves the board bogs a bit unless you move up quite a bit. However, the main reason for going with the MCKee is that I've have been riding that placement for a while on other quads and feel most comfortable on it (except that is on round tails). Jumping back on a few fishes (15"+ tails) I have with a more rail oriented placement always felt it was a bit too twin fin ish--without sacrificing that drive--really round turns no loss of speed, etc. if that makes sense--great drive but almost a bit too loose at times...however the fishes I have I only use speed dialers/cut-always. Hoping for the McKee' "happy medium" with this board given how tight the tail pulls in...well see... But I do agree risking it a bit here but still pretty curious...

  6. #6
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    Quote Originally Posted by live4truth View Post
    Hey NJ...yea my buddy who has a Hypto is I the same camp as you seriously interested. Given I've had this hypto for about 1 1/2 years...I feel I can give it a good shake to see if it works and don't mind experimenting on it. Additionally, I'm a quad fan and believe it'll work out--the shop where I ordered my shred sleds said that rep has one and loves it. Here to hoping the same thing occurs...

    Regarding the placement...I don't disagree with that perspective. However, the board is pretty tracky with the pin tail as is...in smaller waves the board bogs a bit unless you move up quite a bit. However, the main reason for going with the MCKee is that I've have been riding that placement for a while on other quads and feel most comfortable on it (except that is on round tails). Jumping back on a few fishes (15"+ tails) I have with a more rail oriented placement always felt it was a bit too twin fin ish--without sacrificing that drive--really round turns no loss of speed, etc. if that makes sense--great drive but almost a bit too loose at times...however the fishes I have I only use speed dialers/cut-always. Hoping for the McKee' "happy medium" with this board given how tight the tail pulls in...well see... But I do agree risking it a bit here but still pretty curious...
    solid reasoning; i'm down. just out of curiosity, what fins do you run/plan to run in it? most people i know who ride the hypto have said they like it best w/ a narrow tipped fin like the AM, AM-2, jordy, machado, etc...rather than the HS fins.

  7. #7
    @ Pea...yup NJ is right on the money...front fins are toed in 1/4" rears are about and 1/8"...maybe a bit less...

  8. #8
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    this might be a stupid question but do you remove the sorrounding glass first or can you you router right through it?

  9. #9
    Nope...sand and then route right through the glass...pics to come.

    Also NJ...I love the AM template...however I'm totally addicted to the Machados--same template a bit bigger fin, but the flex is unreal compared to the RTM/glass. Rears I usually run 375s...(thermotech...RTM, etc.). Best set-up I've found so far...I'm about 5'11" and 165lbs as well. I have a set of the Hayden and used them in the hypto, but the felt too stiff...I'll throw them in my step up though when I really need some drive. Hayden does have a rear fin...has a schism tar twist but I've never seen it anywhere...love to give it a whirl. You can find it on his site.

  10. #10
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    Quote Originally Posted by Peajay4060 View Post
    from the pics it looks like the thrusters front fins are toed in ( or out?) slightly more than the quad. Is that right?

    cool project. even if you don't like it yo can always keep riding it as a thruster.
    My experience has been that for McKee Quad setup like this where the rear fins are further back and further off the rails you use less toe-in on the rear fins.

    For quad setups where the rear fins are pushed forward closer to the front fins (which i prefer because it feels livelier to me), I use nearly identical toe-in for all four fins.

    Nope...sand and then route right through the glass...pics to come.
    I've done this as well installing futures boxes on a previously glassed board...sand the hot coat off until weave is showing, then just router right through whats left of the weave.

    Very cool project!
    Last edited by mitchell; Feb 5, 2014 at 03:36 PM.