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Old December 19, 2012, 05:46 AM   #1
Doc Hoy
Senior Member
Join Date: October 24, 2008
Location: Chesapeake, VA
Posts: 5,105
Ballistics smart guys....Do I remember....

....seeing a graph of the pressure in a barrel upon discharge? I am speaking of a graph for black powder.

Not certain why I want to see this again (if I ever saw it before.) but as I am beginning to load this 45-70 BPCR round, it seems as though at least a casual understanding of barrel pressure is important.

I am not so concerned about barrel failure. I am loading light at 50 grains for now. I just want to know about pressure in the barrel for this big round.

My reading of history convinces me that most bad government results from too much government. Thomas Jefferson
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