These 2 bullets were cast at the same time from a lyman 314299 mold .All was up to temp , these long 30 cal. bullets warm up the mold qwik even though I prewarm on a hot plate !!!
The temp was 725f-750f in my bottom pour 10# lee.
The alloy was Isotope 94 /3/3 & I was castin fairly fast & I put big puddles on the sprue plate.
Is this cavity too hot & causing cook off of impurities in the alloy ????
Mold just too hot in general ???
Letting the mold cool & turnin down the temp is the only fix , but why not both cavitys ???
Am I answering my own question ????
The temp was 725f-750f in my bottom pour 10# lee.
The alloy was Isotope 94 /3/3 & I was castin fairly fast & I put big puddles on the sprue plate.
Is this cavity too hot & causing cook off of impurities in the alloy ????
Mold just too hot in general ???
Letting the mold cool & turnin down the temp is the only fix , but why not both cavitys ???
Am I answering my own question ????