Turn-of-the-century shotshell pressures

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Re: Turn-of-the-century shotshell pressures Drew Hause #616695 07/13/22 04:58 PM
Joined: Jan 2006 Posts: 9,430 Likes: 315 AZ but dreaming of KS Drew Hause OP Sidelock
OP Drew Hause Sidelock Joined: Jan 2006 Posts: 9,430 Likes: 315 AZ but dreaming of KS	Found another DuPont ballistic table Clearly the c. 1920's published pressures as significantly higher than the c. 1900 pressures. Some can be explained by different powders, and it may be that by 1920 the DuPont Brandywine Experimental Station testing was more accurate Capt. Charles Askins and E.M. Sweeley, “Patterns, Velocities, Ballistics”, May 1921 Outdoor Life https://archive.org/details/sim_outdoor-life_1921-05_47_5/page/300/mode/2up DuPont Bulk Smokeless Numbers require adding 10 - 14% for modern piezo transducer pressures. 12 gauge 1 1/8 oz. in 2 3/4” Winchester Leader hull 3 Dram = 7,616 psi.....Max. 9,565 psi 3 1/4 Dr. = 7,840 psi 16 gauge 1 oz. in 2 7/8” hull 2 1/2 Dram = 7,683 psi.....Max. 8,176 psi 2 3/4 Dr. = 8,243 psi 3 Dr. = 9,363 psi 20 gauge 7/8 oz. in 2 7/8” hull 2 1/4 Dram = 10,550 psi.....Max. 11,715 psi 2 1/2 Dr. = 12,208 psi.....Max. 13,285 psi 2 3/4 Dr. = 12,902 psi.....Max. 14,022 psi + 10-14% - WOW! https://sites.google.com/a/damascusknowledge.com/www/home

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Subject	Posted By	Posted
Turn-of-the-century shotshell pressures	Drew Hause	06/24/22 03:43 PM
Re: Turn-of-the-century shotshell pressures	liverwort	06/25/22 02:52 AM
Re: Turn-of-the-century shotshell pressures	ellenbr	06/25/22 10:44 AM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/25/22 12:21 PM
Re: Turn-of-the-century shotshell pressures	Stanton Hillis	06/25/22 12:34 PM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/25/22 05:04 PM
Re: Turn-of-the-century shotshell pressures	Drew Hause	06/25/22 11:56 AM
Re: Turn-of-the-century shotshell pressures	Stanton Hillis	06/25/22 06:23 PM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/25/22 06:58 PM
Re: Turn-of-the-century shotshell pressures	Stanton Hillis	06/26/22 01:03 PM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/26/22 01:29 PM
Re: Turn-of-the-century shotshell pressures	Paul Harm	06/27/22 02:48 PM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/27/22 11:44 PM
Re: Turn-of-the-century shotshell pressures	Paul Harm	06/29/22 05:44 PM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/30/22 03:21 AM
Re: Turn-of-the-century shotshell pressures	Drew Hause	06/29/22 06:49 PM
Re: Turn-of-the-century shotshell pressures	Tom Findrick	06/29/22 08:13 PM
Re: Turn-of-the-century shotshell pressures	Drew Hause	06/29/22 10:46 PM
Re: Turn-of-the-century shotshell pressures	keith	06/30/22 03:01 AM
Re: Turn-of-the-century shotshell pressures	Grouse Guy	07/14/22 11:33 PM
Re: Turn-of-the-century shotshell pressures	KY Jon	06/30/22 02:10 AM
Re: Turn-of-the-century shotshell pressures	ed good	06/30/22 04:56 AM
Re: Turn-of-the-century shotshell pressures	Ted Schefelbein	06/30/22 11:25 AM
Re: Turn-of-the-century shotshell pressures	ed good	06/30/22 11:54 AM
Re: Turn-of-the-century shotshell pressures	Drew Hause	07/13/22 08:58 PM
Re: Turn-of-the-century shotshell pressures	Drew Hause	07/14/22 09:04 PM
Re: Turn-of-the-century shotshell pressures	L. Brown	07/14/22 10:11 PM
Re: Turn-of-the-century shotshell pressures	L. Brown	07/15/22 11:06 AM
Re: Turn-of-the-century shotshell pressures	Drew Hause	07/15/22 05:48 PM
Re: Turn-of-the-century shotshell pressures	Drew Hause	07/15/22 07:51 PM
Re: Turn-of-the-century shotshell pressures	FallCreekFan	07/15/22 08:00 PM
Re: Turn-of-the-century shotshell pressures	1916XE	07/17/22 02:53 PM
Re: Turn-of-the-century shotshell pressures	Drew Hause	07/17/22 03:07 PM
Re: Turn-of-the-century shotshell pressures	bushveld	07/17/22 05:40 PM
Re: Turn-of-the-century shotshell pressures	Drew Hause	07/17/22 06:32 PM

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