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Discussion Starter #1
So I am looking at 1.5"x8" rams on surplus center's website

http://www.surpluscenter.com/

And I see two 1.5x8 rams...

one with a .750 "rod"

http://www.surpluscenter.com/item.asp?UID=2005070413442005&item=9-4410-08&catname=hydraulic

And the other with a 1.000" "rod"

http://www.surpluscenter.com/item.asp?UID=2005070413442005&item=9-6645&catname=hydraulic

The wierd thing is the 1" (0.250 larger than the other) rod is rated at almost double "push/pull" power. My understanding was that the more fluid in the ram, the more power it would have... Does this make sence to anybody?

-Chase
 

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The max pressures for those two rams are different. The 1" version can handle 3000 psi and the 3/4" one only 2000 psi. That is the big difference, also the mounting ends are smaller on the 3/4" unit
 

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Piston area is what counts for force, i.e. pressure x piston area minus rod "area"
 

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Discussion Starter #4
This is a reply I got at a local forum


but if your doing assit you want a ram that will be able to push/pull relativly the same. these once push alot but have almost half the amount of pulling force. Look into a better quality ram that is closer to equal for each direction. Forklift or bobcat rams are almost equal, also the ones that have the 4 rods that hold them together usually are aswell.
Any truth to it?

I'll be upgrading to PSC steering shortly... so which ram would you guys recommend?


Sorry I know this is a newb sorta thing... I have done some reading (searching) but I figure live advice might be better.
 
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