Butch,

The wiggins is looking good. Here are a couple of minor moods.
I increased the length because of possible warpage when
welding. It will also greatly increase the bond area with a
very small penalty in cost for material.

Don't even try assembling them with out lubeing the O-ring first.
Weld or bond first... then assemble.
The O-ring material I am trying is Ethylene Propylene which
has excellent resistance to hot water and good for steam.
The correct part number is indeed AS568A-030

If you have the drawing in ACAD 11 form please send me a copy
as I have somehow lost my original. If not in ACAD 11 a DXF might work.

I still need to pressure check it but I don't anticipate any problems
at all.

BTW these are extensively used on Continentals line of liquid cooled
aircraft engines.

Paul Lamar
 
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