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  1. #191

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    Quote Originally Posted by Green Hulk View Post
    Well, here’s the results of our testing on our 2021 stage 2 RXP-X
    we will re test with stage 3 and hopefully see similar results to Jesus

    STOCK IMPELLER:
    5-60 3.18s
    80.6 MPH
    8300 RPM


    13/18 IMPELLER:
    5-60 3.36s
    79.9 MPH
    8200 RPM


    13/15 IMPELLER
    5-60 3.43s
    80.4 MPH
    8300 RPM

    Looking at my results when I ran;

    Full tank, 8200 occasionally saw blip to 8300. I"m guessing higher 82XX range. 77 one way 75.68gps, 78(blips to 79) 76.47 gps the other. 5-60 3.7X seconds. 82F water, 80air, salt water....stock prop

    How do you get to 80.6 GPS from my 76 GPS Average of back to back runs ? 4.6 mph is huge. I'm struggling, buying the stock impeller does 80 GPS at 8300RPM. Maybe super light rider and no fuel might get you there. I ride salt water so maybe i'm a 1mph slower than fresh water.



  2. #192
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by ptscon View Post
    deja vu

    Lots of hype when that impeller got demoed, just like this one, and it kinda fizzled out.
    Kinda looking that way! Maybe the stock impeller is best....at least for stage 2.

  3. #193
    Vman's Avatar
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    Quote Originally Posted by DinoMite View Post

    How do you get to 80.6 GPS from my 76 GPS Average of back to back runs ? 4.6 mph is huge. I'm struggling, buying the stock impeller does 80 GPS at 8300RPM.
    Maybe super light rider and no fuel might get you there. I ride salt water so maybe i'm a 1mph slower than fresh water.
    I'm with You (based on what I'm seeing with my ski) and I doubt light everything would make that much of a difference... something else going on here. I gotta look again and make sure that I'm not dragging an anchor or anything!

  4. #194
    Lake Lion
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    Jerry, were all of the impellers untouched with their stock pitches?

  5. #195

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    Mar 2019
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    Here is a stock impeller off a 2020 RXT for comparison.

    I did my best with photos, take em or leave em.

    Click image for larger version. 

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    Last edited by jeff24680; 10-20-2021 at 06:35 AM.

  6. #196
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by DinoMite View Post

    How do you get to 80.6 GPS from my 76 GPS Average of back to back runs ? 4.6 mph is huge. I'm struggling, buying the stock impeller does 80 GPS at 8300RPM. Maybe super light rider and no fuel might get you there. I ride salt water so maybe i'm a 1mph slower than fresh water.

    Quote Originally Posted by Vman View Post
    I'm with You (based on what I'm seeing with my ski) and I doubt light everything would make that much of a difference... something else going on here. I gotta look again and make sure that I'm not dragging an anchor or anything!
    All testing with all 3 impellers was done with a full tank of fuel. Topped off each time. We have learned that this new 2021+ hull is very sensitive to weight. Greg is only 150 lbs which is helping a lot. We are also using a stainless steel wear ring. If you are using a plastic wear ring it could be worn.

  7. #197
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by hotbutta View Post
    Jerry, were all of the impellers untouched with their stock pitches?
    All impellers untouched.

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