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Old March 11, 2012, 02:20 PM   #1
Senior Member
Join Date: January 29, 2012
Location: Devon England
Posts: 177
BP Internal Ballistics

My computer will not work many ballistic programs (win7) even if I was prepared to pay what they cost.
My interest is BP, I know for example a 44-40 from a 24" barrel gives about 1310ft/sec and about 975ft/sec from a 7.5" barrel. I would like to be able to do the maths can anyone help.
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