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[dieselpolaris]

So i have been aquiring parts for wood splitter and my neighbor gave me a free ram tonight. Found out it has an 8 inch bore and 26 inch stroke. i know that this ram will have slow cycle times with the engine and pump combo that i wanted to use if i am trying to achieve 3000 psi as pump will be only moving 6.3 gpm in low stage. Have a 12hp engine and was gonna use a 22 gpm 2 stage pump. Ideally i wanted to use a 5 inch ram. Question is with this ram being so large according to the calculators at only 1200 psi i will generate around 30 real tons of force which is almost 1 ton more than the 5 inch ram at 3000 psi. Could i compromise and get a single stage pump so i will have an average higher flow and only set it at the 1200 psi? If my math is right that 12 hp engine will run that and cycle would only be about an average of 10 seconds slower on the larger ram. Is it worth using the larger free cylinder or should i just spend the money on the 5 inch? Thanks

[mlappin]

I’d buy a 5” and list the 8” on Craigslist as long as it wouldn’t put your neighbor out. I built a splitter with a 5”, wish I had used a 4” for a little faster cycle times, haven’t found anything the 5” won’t split. I even have a pressure release to make sure the 5” doesn’t bend anything. Running it off a skid steer so not sure about how much pressure or flow is available. Have my pressure relief set at 2200 PSI.