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Experimental Hydraulics

hyhydraulics experiment

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#1 Chopperhed OFFLINE  

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Posted March 03, 2015 - 04:23 PM

I need to add another hydraulic system to my crawler conversion. Even Princess auto pumps run $190.00  for small pumps that can take a side load.

 

I picked up a power steering pump out of a 95 caravan and hooked it up to a 1/2hp electric motor.

 

A simple wet circuit with a gauge told me that at 1050 rpm, the pump put out 850psi before it stalled the motor and blew the breaker.

 

I'm thinking this thing might be ok for the crawler, if not, I'll figure something out for it.

 

 

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#2 Auburn David OFFLINE  

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Posted March 03, 2015 - 04:27 PM

I have a Nice pump from a International Harvester combine that would be perfect for your project I believe.



#3 Auburn David OFFLINE  

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Posted March 03, 2015 - 04:28 PM

its about half the size of the pump your using.



#4 Auburn David OFFLINE  

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Posted March 03, 2015 - 04:29 PM

Getting it over the boarder would be an issue though..LOL



#5 Chopperhed OFFLINE  

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Posted March 03, 2015 - 05:03 PM

Shipping always sux, so do the duties and exchange

 

Actually most of the size of the pump is a small reservoir. the little reservoir up top holds about a pint. I plan on replacing the filler reservoir with a 5" x 10 round tank. I think with another 2 gallons in a remote reservoir, it will be more than adequate for what I'm doing. The total volume of all the cylinders combined is only a few pints. I'm not really worried about cylinder speed, cause it will only take a few seconds to move a 1-1/2 bore cylinder the distance I need. the longest cylinders I have are 8" stroke.

 

With a 1-1./2" bore and a 1" rod, the up side should be pretty quick, down force should be slower and more controllable. angling will be fast 1-1/4" bore x 6" stroke 1" rod, both at the same time might be slow.



#6 Cvans OFFLINE  

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Posted March 03, 2015 - 05:09 PM

The power steering pumps that I've use have worked excellent for running lift cylinders.


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#7 victor3ranger OFFLINE  

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Posted March 03, 2015 - 05:11 PM

I have a Nice pump from a International Harvester combine that would be perfect for your project I believe.

Do you have a picture of the one you have??  I pulled one this past fall from one of our dead combines along with the tank for the fluid.



#8 Auburn David OFFLINE  

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Posted March 03, 2015 - 05:19 PM

Do you have a picture of the one you have??  I pulled one this past fall from one of our dead combines along with the tank for the fluid.

I will have to try and get a picture of it..or some #s off it.


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#9 KennyP ONLINE  

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Posted March 03, 2015 - 05:27 PM

That's a neat way to check one out. I need to get a gauge to test with.



#10 KennyP ONLINE  

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Posted March 03, 2015 - 05:28 PM

I will have to try and get a picture of it..or some #s off it.

If you want to sell it, I might be interested. Hint! Hint!


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#11 Auburn David OFFLINE  

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Posted March 03, 2015 - 05:39 PM

330d4c9.jpg


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#12 Auburn David OFFLINE  

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Posted March 03, 2015 - 05:42 PM

wsjn2v.jpg


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#13 IamSherwood OFFLINE  

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Posted March 03, 2015 - 06:01 PM

You need a new disc on your sander.( pic 1 & 2 )

Princess Auto has them on sale at times.


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#14 KennyP ONLINE  

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Posted March 03, 2015 - 06:02 PM

Might be fun to find a pulley for that!


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#15 Chopperhed OFFLINE  

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Posted March 03, 2015 - 07:38 PM

I will have to try and get a picture of it..or some #s off it.

The gauge cost me 15 bucks, but it's something I can use everywhere, given my choice of hobbies.


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