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LouSWPA 
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Joined: 11 Sep 2009
Location: Clinton, Pa
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 Topic: anybody have a rule of thumb
Posted: 11 Nov 2024 at 2:05pm |
for required HP for a given hydraulic pump?
For instance, what would a 2500psi 12gal/min pump require?
Edited by LouSWPA - 11 Nov 2024 at 2:06pm
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I am still confident of this;
I will see the goodness of the Lord in the land of the living.
Wait for the Lord;
be strong and take heart and wait for the Lord. Ps 27
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DiyDave
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Posted: 11 Nov 2024 at 3:18pm |
http://www.metaris.com/hp-calculator.php
17.503 per the above calculator... 
Edited by DiyDave - 11 Nov 2024 at 3:19pm
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LouSWPA
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Posted: 11 Nov 2024 at 4:49pm |
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I am still confident of this;
I will see the goodness of the Lord in the land of the living.
Wait for the Lord;
be strong and take heart and wait for the Lord. Ps 27
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SteveM C/IL
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Location: Shelbyville IL
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Posted: 12 Nov 2024 at 11:02am |
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Upsize Lou. Need 50 horse
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jaybmiller
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Posted: 12 Nov 2024 at 11:44am |
ROT...... you'll need 7 more HP than you've got
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3 D-14s,A-C forklift, B-112
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KJCHRIS
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Posted: 12 Nov 2024 at 7:41pm |
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Not sure what hydraulic suppliers still have charts for that kind of thing. a decade ago Baum Hydraulics , Omaha, Ne. had a chart in their catalog online. Listed gear, vane, piston/ open & closed center pumps. I'm sure there's still a company with a similar online chart. They also had chart showing how much PSI and piston diameter of cylinder to lift "X" pounds.
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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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DrAllis
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Posted: 12 Nov 2024 at 9:27pm |
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When would a hydraulic system ever be operated at full 2500 psi continuously ?? A series four D-17 hydraulic system not doing any work and engine running wide open throttle takes less than 1 HP to circulate 12 GPM of oil at 100 psi. When you hit the end of a hydraulic cylinders stroke and don't let the hyd lever cancel to HOLD, the relief valve opens (2,200 psi takes 15 HP) and then makes the engine labor. So it's only a momentary 15 HP load.
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Clay
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Posted: 12 Nov 2024 at 9:41pm |
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0.06 x Horse Power = GPH [approximately]
Edited by Clay - 12 Nov 2024 at 9:44pm
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DiyDave wrote: