https://wiki.opensourceecology.org/index.php?action=history&feed=atom&title=Electric_Hydraulic_Power_Source 2026-04-19T19:01:09Z Revision history for this page on the wiki MediaWiki 1.39.13 https://wiki.opensourceecology.org/index.php?title=Electric_Hydraulic_Power_Source&diff=97317&oldid=prev 2013-06-18T08:58:09Z

<p>Created page with &quot; Hydraulic Pumps &amp; Motors Pumping = 1 Hp = 1 GPM x 1500 Psi (linear relationship i.e. 2 GPM @ 1500 Psi = 2 Hp) Hp to drive hydraulic pump = Psi x GPM / 1714 Effi...&quot;</p> <p><b>New page</b></p><div><br /> <br /> Hydraulic Pumps &amp; Motors <br /> <br /> Pumping = 1 Hp = 1 GPM x 1500 Psi <br /> <br /> (linear relationship i.e. 2 GPM @ 1500 Psi = 2 Hp)<br /> <br /> Hp to drive hydraulic pump = Psi x GPM / 1714 <br /> <br /> Efficiency - typically assume hydraulic pump/motor efficiency of 85%<br /> <br /> Hydraulic motor torque (in-lb) = Pressure (Psi) x motor displacement (in3/rev) / (2 x Pi)<br /> <br /> Hydraulic motor speed (RPM) = 231 x GPM / motor displacement (in3/rev)<br /> <br /> Hydraulic motor power (Hp) = Torque (in-lb) x RPM / 63025<br /> <br /> =Therefore=<br /> <br /> 7.5 hp means 4.5 gpm at 2500 psi, or .7 cu in pump at 1740 rpm.</div>

Marcin