Thanks everyone for the replies, I really appreciate it. I'll add some information and address a few things so we are all on the same page. First, I will attempt to upload a rough schematic of my circuit along with a picture of the door/cylinders.
There is no mechanical linkage between the...
I built a one piece, hydraulic power lift door, 20ft tall and 60ft wide. It is raised using 2 identical hydraulic cylinders with a stroke length around 110in. I have the cylinders plumbed using a flow divider/combiner to split the flow to each cylinder equally, and counterbalance valves on the...