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  1. Sean Miller

    Q1=Q2(P2/P1)^.5 ,where it does come from!

    Pump Flow versus speed for a fixed diameter impeller: 1) Q1/Q2 = N1/N2 N1 = original speed N2 = New Speed Q1 = original flow Q2 = New flow Pump pressure versus speed for a fixed diameter impeller 2) H1/H2 = (N1/N2) ^2 H1 = original head H2 = New head therefore N1/N2 = SQRT ( H1/H2) and...

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