Triple Big Block Dyna-Ski

Discussion in 'Dyna-Ski® Boats' started by PJP, Jul 22, 2009.

  1. PJP

    PJP

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    Wisconsin
    Must Skis new triple Dyna-Ski.

    Notice how high this heavy boat floats unlike the older style triple rigs.

    Boat Builder
     

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  2. Hollywood

    Hollywood Hydrodyner

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    Looks like it's got plenty of counter weight... ;)
     
  3. dynebob1

    dynebob1 Boat of the Month

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    1998 18 OB RUA- 250XS.and 1997 Twin Rig /225 optis
    Sure it's got plenty of ballast up front. Looks just as high in back as any Tom Miller boat to me.

    Bob
     
  4. markbano

    markbano Hydrodyne 18 Specialist

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    Identical hull shapes displace the same water, unless we checked nautical engineering fact at the door. There can be no difference, actually, unless the lower hull mold was changed in a way that would impact upon water displacement. I don't think there is any difference.

    Of course, I don't happen to agree that higher is better...but then I digress....
     
  5. Must-Ski Motors

    Must-Ski Motors Hydrodyne 20 Specialist

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    2008 Dyna-Ski 20' Open Bow, 3.4L 250 HO
    The hull is 8 inches longer.
     
  6. markbano

    markbano Hydrodyne 18 Specialist

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    There you go....

    A longer hull will displace more water. The longer boat also allows for greater leverage from the increased distance from the bow balast to the stern. This would allow the boat to handle weight better on the back, although ,as always, you get some disadvantages (alas, compromise) from making a boat bigger.

    If the eight inches is added at the stern, where the boat is wider, it would make a bigger difference in water displacement. If it is added at the bow, it won't make as much difference in balast but will improve the effectiveness of the balast. I can't tell if the 8 inches was added up front or in back.
     
  7. jim

    jim Hydrodyne 18 Specialist

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    77 Dyne 18 I/O converted to Outboard
    Mark,

    If you look at the transom of a Dyne 20 you will see that the deck is longer than the hull centerline. The transom is not flat.

    The PJP boats have the aft part of the hull extended to be as long as the deck, or more. In short the length was added to the stern. The makes the hull centerline 20 ft or a little more, and the transom is flat.

    jim
     
  8. markbano

    markbano Hydrodyne 18 Specialist

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    Gotcha. That makes sense.

    I wonder if anyone has driven both boats who could opine on whether they handle differently.
     
  9. jim

    jim Hydrodyne 18 Specialist

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    77 Dyne 18 I/O converted to Outboard
    Must-ski has already commented on that. I am sure he will do it again. I think he said each has it's advantages.

    jim
     
  10. PJP

    PJP

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    Wisconsin
    Pictures tell the story.
     

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