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General Skidsteer & Technical Topics
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Calculating GPM from pump specs? Possible?
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<blockquote data-quote="skidsteer.ca" data-source="post: 43008" data-attributes="member: 307"><p>Are you sure the 39 gpm is not the hydostatic pump?</p><p>You would need 80 engine hp to run the tires and have enough power left over to pump 39 gpm at 2500~2800 psi</p><p>I doubt the hydraulic flow is that high. 13 to 15 gpm at 2500 to 2800 psi is more likely.</p><p>Relief pressure can easlily be tested with a 3000 psi guage.</p><p>Testing for flow requires a flow meter and is the best way, but if you know the volume per revolutiion of the gear pump, you can calculate flow if you know the rpm.</p><p>I you pick a motor capable of handling pressures in the 3000 psi or higher you will likely be safe on that aspect. However you second part of it is to pick a motor whos volume will match the pumps rpm and turn the desired 540 rpm at near full engine rpm.</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 43008, member: 307"] Are you sure the 39 gpm is not the hydostatic pump? You would need 80 engine hp to run the tires and have enough power left over to pump 39 gpm at 2500~2800 psi I doubt the hydraulic flow is that high. 13 to 15 gpm at 2500 to 2800 psi is more likely. Relief pressure can easlily be tested with a 3000 psi guage. Testing for flow requires a flow meter and is the best way, but if you know the volume per revolutiion of the gear pump, you can calculate flow if you know the rpm. I you pick a motor capable of handling pressures in the 3000 psi or higher you will likely be safe on that aspect. However you second part of it is to pick a motor whos volume will match the pumps rpm and turn the desired 540 rpm at near full engine rpm. [/QUOTE]
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Calculating GPM from pump specs? Possible?
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