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I want to build a tilt trailer with hydraulic lifting and lowering. To do this, I plan to use 2 hydraulic cylinders piped in series. Not wanting to fuss with a double-ended cylinder, I plan to make the available piston area on the ram end of the first cylinder match the piston area on the non-ram end of the second cylinder. Example: cylinder 1 has 4" bore and 1" rod diameter, and cyl 2 has a 3" bore. Unless my mental math is wrong, these cylinders, powered from a single pump and plumbed in series, should be synchronized or pretty near.

I know there are much more sophisticated ways to sync cylinders, but those are beyond my skill level and certainly beyond my budget.

My implementation plan is to find two identical cylinders and tear one down and sleeve it to the right smaller bore, and then to machine a new piston and fit it with new packing rated to the same psi as the old packing.

Is this whole idea crazy?

metalmagpie
 

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sounds reasonable, that's how my Diamond C is plumbed and seems to work fine.
 
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