Wind Mill Powered Piston Pumps Calculator Units
Blocks shown as light blue are editable
Pump piston diameter d = m
Crank length (stroke) of the piston r =  m
rotational speed of the driving wind rotor N = rpm
volumetric efficiency of pump ηV = %
pumping head h = m
density of water ρw = kg/m3
Gravity g = m/sec2
overall pump efficiency η = %
Calculated Results
Discharge volume of pump Q = m3
estimated power requirement of the pump PH = W