James, I talked with my machinist buddy today I am thinking about making the
disk out of Delrin® Acetal AF Resin Rods cut a disk off the rod and then
machine the screw holes.   Depending on how much effort it takes I may make
a few if I end up building a jig to keep things aligned.  I will give you a
heads up if I make enough to share.



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Keith G.
St. Mary's County MD
S/V Old Soul
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