Crickets....
Crickets....
I tried the spreadsheet calculator and found it only gets sorta close for me. I powder coat for 300 BO so the hardness is too critical. the recovered bullets still have the coating intact for the most part. I use wheel weights with pewter added about a quarter pound of pewter (tin) to a 10 lb pot. When I test with the Lee hardness tester I get around 13~15 Bhn.
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