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Thread: Lucky 13 cone

  1. #1

    Lucky 13 cone

    Thinking about winter mods since itís cooling off here. My current setup is an 08 rxt 215. Et127, fizzle 1000, 42lb, rrfpr, wideband/boost, 4Ē rear air, exhaust, filled ride plate holes, worx intake grate. Currently spinning a 15/20 untouched to 8100 rpm, 11psi, 72ish mph. Iím 230lb and the water isnít always glass so I figure Iím about right for the old style rxt hull. Would it be beneficial to install my 14/19 (Or tweak my 15/20) and a lucky 13 cone and shim that back up to 8100 to gain mph/launch hookup? This is with the stock 83mm nozzle.


  2. #2
    Site Admin Green Hulk's Avatar
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    I would stay with the 15/20 as the 14/19 is 1 mph slower than a 15/20 at the same RPM.
    Tweak the impeller accordingly to run with the L13 cone and open your nozzle up to 85 mm

  3. #3
    Quote Originally Posted by Green Hulk View Post
    I would stay with the 15/20 as the 14/19 is 1 mph slower than a 15/20 at the same RPM.
    Tweak the impeller accordingly to run with the L13 cone and open your nozzle up to 85 mm
    Do these cones make a difference with Flyboarding? This is the first I've heard of them.

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    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Spit29 View Post
    Do these cones make a difference with Flyboarding? This is the first I've heard of them.
    Yes, many of the Flyboard guys use them. It works much like the adjustable cones on the Skat Trak Flyboarding pumps. More thrust = more lift.

  5. #5
    Quote Originally Posted by Green Hulk View Post
    Yes, many of the Flyboard guys use them. It works much like the adjustable cones on the Skat Trak Flyboarding pumps. More thrust = more lift.
    For a Seadoo. Is there a preferred spacer to use to maximize the top end? Or does it vary a lot with each ski?

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    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Spit29 View Post
    For a Seadoo. Is there a preferred spacer to use to maximize the top end? Or does it vary a lot with each ski?
    It will vary from ski to ski depending on modifications and desire operating RPM

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