The L.C. Smith Collectors Association
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Re: 20 in 12 Pressure
Posted by Doug on November 28, 2014, 12:50 pm, in reply to "Re: 20 in 12 Pressure"
I believe Bell measured the pressure just in front of the chamber. His letter to gage mates used to be on their website. The physics make sense...less shot....less powder;....more area....equal less PSI.
If you give gage mates a call they will probably send you a copy of Bell's findings.