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Thread: How does an impeller affect RPM and MPH?

  1. #1
    SuckMyWake
    Is there some kind of chart that helps figure speed based on the impeller, hull length, HP, and other variables?

  2. #2
    spectras only
    There's no chart for speed,hence hull length,weight and weight distribution,hull shape,strakes all contribute to a boat's performance.There's a chart for HP figures by American turbine [approximate]with impeller size/RPM combo.

  3. #3
    rstover1
    The hp to impellor chart is available at cpperformance.com

  4. #4
    INFINITEJJ
    Go to cpperformance.com, then click online catolog, then jet drives, then impeller to engine matching.

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