Chart paper should be about right.

Very thin.

If one thickness of chart paper is not enough, add another.

Yara said..

cisco said..
If one thickness of chart paper is not enough, add another.

How do you find out it is too thin? If the plate is jammed against the rotor you might destroy it. However I cannot imagine a designer would make clearances that critical.
I think I will go with 0.4mm which seems to be the minimum on the market.

Put the faces together dry, metal to metal, spin rotor by hand, you will know if binds.

Last gasket i made for a jabsco raw water pump i used a manila folder to cut out the gasket, coated it with oil and it's still ok 5 years on.

I have a great little laser cutter/ engraver that I mostly use for cutting small gaskets. I would probably do more with it but I need more practice with the CAD software. I sometimes use it for cutting fiberglass cloth for intricate parts as it seems to melt the cut edge and stop the piece coming apart

Can this thread move on??

To where?

Oh, to here,

gary

Good one Yara.

In the Navy out of date charts are passed on to the engineering department for recycling as gasket material for precision fit machinery.

In our application one could probably make 50 raw water pump gaskets from a chart so a if the chart is still in use on the chart table I really do not think a three inch square taken out of one corner of your chart in a time of need for gasket material is going to compromise navigation capabilities of the vessel to any great extent.

What would we all be doing if we did not have such important matters as this to discuss??????????????