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  1. #1
    EH Team Water Pig's Avatar
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    Low RPM with New Prop

    Hi Guys,

    I was running a stock four blade on my P-X with a worx intake and on flat water , no wind, 64° water 71° air 8340 - 8360 rpm = 73.4 mph then I changed the prop to a brand new 14/18 SKAT 3-blade to get better holeshot and I got only 7740 - 7760 rpm = 68.8 mph.
    It didn't pull harder or accellerate quicker and I couldn't get it past 7760 RPM !!
    I want the holeshot and the RPM for some speed.
    What can I do???


  2. #2
    mrbtd's Avatar
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    R u running an aftermarket ecu ?

  3. #3
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by Water Pig View Post
    Hi Guys,

    I was running a stock four blade on my P-X with a worx intake and on flat water , no wind, 64° water 71° air 8340 - 8360 rpm = 73.4 mph then I changed the prop to a brand new 14/18 SKAT 3-blade to get better holeshot and I got only 7740 - 7760 rpm = 68.8 mph.
    It didn't pull harder or accellerate quicker and I couldn't get it past 7760 RPM !!
    I want the holeshot and the RPM for some speed.
    What can I do???

    Probably too tall for your boat. I would try to run a 13/18 skat 3 blade.

  4. #4
    EH Team Water Pig's Avatar
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    LOW RPM

    I'm running a reflash from Seadoo Centre 8400RPM.

  5. #5
    Got Boost? psycho rxp's Avatar
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    Quote Originally Posted by Water Pig View Post
    I'm running a reflash from Seadoo Centre 8400RPM.

    What prop did u have in there before the skat?
    How much boost do u have?
    What size nozzle are u running?

    An ECU alone will not change your boost , only rev limit, and if your not in your target RPM range u wont get the boost needed to turn that bigger prop. your old prop was pretty close , but u will need a smaller 3 blade. The 3 blade angles, and pitch #'s are alot taller than 4 blade pitch #'s.

  6. #6
    Richieb's Avatar
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    Way to much bite on the prop.

  7. #7
    EH Team Water Pig's Avatar
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    LOW RPM

    Stock 4-blade...
    Stock Nozzle...
    No idea what boost... other than 4" air and the ECU it's a stock boat...

  8. #8
    EH Team Water Pig's Avatar
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    LOW RPM

    Has anybody had any experience with a 13/18 on a slightly modded RXP-X??

  9. #9
    EH Team Water Pig's Avatar
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    Prop

    Anybody ???

  10. #10
    Got Boost? psycho rxp's Avatar
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    I ran one on my RXP up to 79-80 mph with a B kit charger and rude 1 for a while. Awesome Acceleration.

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