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Experimental Hydraulics

hyhydraulics experiment

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41 replies to this topic

#16 Chopperhed OFFLINE  

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Posted March 03, 2015 - 08:49 PM

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

Princess Auto has them on sale at times.

Yes I'm aware of that :)

 

Picked up a pack of discs today, and some belts to go with it.

 

The local PA was out of stock last weekend, had to get them from CT



#17 Chopperhed OFFLINE  

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Posted March 03, 2015 - 08:52 PM

Might be fun to find a pulley for that!

3/4" shaft shouldn't be a problem..

 

I've got a serpentine pulley for a 1-5/8" hub that I can use, but it will probably be easier to fit a single groove pulley to it.



#18 KennyP ONLINE  

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Posted March 04, 2015 - 07:38 AM

3/4" shaft shouldn't be a problem..

 

I've got a serpentine pulley for a 1-5/8" hub that I can use, but it will probably be easier to fit a single groove pulley to it.

I should have quoted Auburn for that post on his pump!


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#19 skyrydr2 OFFLINE  

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Posted March 04, 2015 - 08:35 AM

Chopper, you should be fine horsepower wise,but may be slightly under volumed. The pump from a truck with hydra boost would be ideal. But I would try what you have first.
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#20 victor3ranger OFFLINE  

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Posted March 04, 2015 - 10:16 AM

David, for some reason I can't see the pictures you posted :(


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#21 KennyP ONLINE  

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Posted March 04, 2015 - 10:37 AM

David, for some reason I can't see the pictures you posted :(

Shows fine for me on this end.


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#22 Auburn David OFFLINE  

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Posted March 04, 2015 - 10:39 AM

David, for some reason I can't see the pictures you posted :(

Thats odd..anyone else not able to see it?


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#23 Auburn David OFFLINE  

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Posted March 04, 2015 - 10:41 AM

I was under the impression that power steering pumps had a pressure release valve built into them?


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#24 KennyP ONLINE  

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Posted March 04, 2015 - 10:50 AM

Thats odd..anyone else not able to see it?

Works great for me David!


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#25 skyrydr2 OFFLINE  

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Posted March 04, 2015 - 11:28 AM

I was under the impression that power steering pumps had a pressure release valve built into them?


And so you are correct ,they do. And it is easily modified as it also controls flow as well
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#26 Bmerf ONLINE  

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Posted March 04, 2015 - 11:48 AM

And so you are correct ,they do. And it is easily modified as it also controls flow as well

 

Can you explain how to modify?


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#27 Auburn David OFFLINE  

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Posted March 04, 2015 - 12:10 PM

Seems I have an old Hydro pump off a ford tractor in storage..it is built almost just like a power steering pump as I recall..cant remember what it came off of,,but it seems it had a FEL on it from what I remember.


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#28 skyrydr2 OFFLINE  

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Posted March 04, 2015 - 02:18 PM

[quote name="Bmerf" post="549935" timestamp="1425487706"]Can you explain how to modify?[/quogte]
Pull out the high pressure fitting and it will have a funky fitting/ orifice looking piece. You can increase vol ume by simply drilling out these holes, but DONT MAKE THE TOO BIG or you will ruin it.to increase pressure you can either find a tougher spring, or add a few shims under one end, but again, more is not always better,as it could cause all kinds of failures,pump shaft, relief valve body,pump housing, hoses, and even kill your engine when something is applied.
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#29 Bmerf ONLINE  

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Posted March 04, 2015 - 02:29 PM

Thanks Skyryder,

 

I have an old power steering pump that I have been saving for a future project. Good to know that it can be improved if necessary. I realize that in all things hydraulic; orifice size and relief spring rates; a little goes along way.


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#30 greenb69 OFFLINE  

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Posted March 04, 2015 - 03:42 PM

Years ago when I worked in the oil fields, we would put a diverted valve on our pickups power steering pump and run the line back to a hydraulic winch in the bed of the truck. These would lift 3500 lbs. I am sure some of you have seen the electric version of these in pickups. It never failed to lift the weight.
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