Originally Posted by
kowdok
Forgot to mention, my Lyman .678 ends up with an extremely large sprue which is very hard to get rid of with any consistency. .
That can be fixed by decking the top of the mold.
Measure the ball as cast DIA then measure it on top of the sprue.
That will tell you how much to serface grind off the top to get it at the height of the ball.
You can pull or drill the stop pin and replace with a spring pin. The threads are deap enough that you will not need to rethread or do anything with the cutter screw.
On line with the OP.
I would like to see a 2 ball mold. 678 to 680.
MR. GADGET
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Rowan Artillery
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