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AutoCAD - Automation Studi

Am I missing something obvious? Can you not just run a simple circuit with a relief valve that you wind in and out?

The core tube is the metal tube in the centre of the coil. Remove the plastic screw on the end, slide off the coil and there is the core tube. They usually screw into the main valve body or are clamped on with bolts.

You won't need 2x the ID, only 2x the area of the piston which is going to be a lot less than 2x the diameter.

Can OP post some better pictures please. This is an interesting topic that I am struggling to fully understand.

Money. That is the only reason.

Didn't the reddit post answer that for you :P Ask a supplier for assistance and they will be more than happy to help.

You could use a rotary flow divider for accurate flow splits. I have never seen one for water, only oil but I can't see why they wouldn't make them for water.

Some sort of reduction gearing would make this a fairly simple job. You could then use a small electric motor which would probably be easier and cheaper than a hydraulic system.

zdas04, why not jump into the axial flow pump and tell them to stop calling it a centrifugal pump ;)

What type of motor is that? It has a very low pressure rating and very high flow. A pump that produces that sort of flow will be quite a lot larger than what you actually require if you go up in pressure and down in flow. (you can't escape me)

Depending on the position of the welds, the tank could be filled with water, then drain 20% or whatever to get the level below the weld height.

Fill it with water...

I want to learn as much as I can about marine propellors. I want to start with the maths side first and although all the basics are covered in general maths educational materials, I am looking for something more biased towards marine propulsion. Does anyone know a website with lots of diagrams...

Change gear. :P

A lot of dislike for a master/slave set up in here. Sure a servo operated system would be nice and more accurate but as the OP has pointed out several times, accuracy is not the most important thing in this application. Master slave will work, just fit some PRV's and bleed points in a couple...

You need to define "swaying" a bit more clearly.

As there is no flow at the dead end, there is no pressure drop. If there was flow, there would be a pressure drop but then by definition, it would not be a dead end. Remember flow is just an arbitrary representation of the rate in which force can be created in hydraulics.

The throttle position.

Yes, there is a distinct vibration when I put my screwdriver in the middle of the coil.