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  1. #1
    PWCToday Guru Udjenl's Avatar
    Join Date
    Aug 2013
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    The netherlands
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    30
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    462

    how many a minute

    does someone know how many litres a minute a rxp 215 jetpump can push at 80km/h?

    or how to calculate it?
    work hard and play hard
    or let someone else work hard and still play hard.

    but enjoy life every freak'n day

  2. #2
    I dream skis JC-SuperJet's Avatar
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    Jul 2013
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    Cypress, TX
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    643

    Re: how many a minute

    If you know what the engine rpm's are at 80 km/h , you can use:

    To find the output flow of a hydraulic pump, use this pump flow formula:
    Flow (GPM) = (RPM x Disp) / 231

    RPM = Rotations Per Minute

    Disp = Pump Displacement in Cubic Inches (Displacement (D)– For a positive displacement pump it is the theoretical volume per revolution of the pump shaft. Calculation methods and terminology may differ between different types of positive displacement pumps.)

    GPM = Gallons Per Minute

    Example: The output flow of a pump spinning at a rate of 2000rpm
    with a displacement of 2.75 cubic inches:

    Flow (GPM) = (2000 x 2.75) / 231

    Calculated out this gives an output flow of 23.81GPM
    (rounded to the nearest 100th)

    This will get you started. Maybe call TU Delft University of Technology in Holland for help finding Displacement Volume...or Solas or Skat-Trak

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