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06-08-2024, 11:10 AM
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#1
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Join Date: Nov 2008
Posts: 2,288
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Thanked 4,323 Times in 1,402 Posts
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What Dave said
Turn-of-the century 16g 1 oz. 2 1/2 Dr. BULK Smokeless (1165 fps) loads were about 7500 psi; 2 3/4 Dram (1220 fps) about 8500 psi.
DENSE Smokeless loads were 1000 - 1500 psi higher.
Published Ballistic Tables by DuPont c. 1920s listed higher 16g 1 oz. load pressures with DuPont Bulk
2 1/2 Dr. Eq. 9000 psi; 2 3/4 Dr. Eq. 11,000 psi
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