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404bearslayer
.300 member

Reged: 28/04/09
Posts: 226
Loc: Germany

Re: Old and new powders, pressures and Wright´s book
05/04/10 11:23 AM

Peak pressure is in deed of secondary consideration here - what is at issue is how fast you arrive at peak pressure. BP loads have a VERY shallow pressure curve (anyone who ever shot one knows by the feel of it alone). Nitrocellulose powder, even the slower variety, reaches peak pressure so much faster relative to BP that BP-proofed barrels can't take it, the barrel steel used then was not meant for it.

Edited by 404bearslayer (05/04/10 11:25 AM)

Post Extras

Entire topic
Subject	Posted by	Posted on
Old and new powders, pressures and Wright´s book	herrdoktor	01/04/10 09:45 AM
Re: Old and new powders, pressures and Wright´s book	500Nitro	01/04/10 09:52 AM
Re: Old and new powders, pressures and Wright´s book	450_366	01/04/10 04:59 PM
Re: Old and new powders, pressures and Wright´s book	Paul	02/04/10 12:23 AM
Re: Old and new powders, pressures and Wright´s book	DarylS	02/04/10 12:46 AM
Re: Old and new powders, pressures and Wright´s book	404bearslayer	05/04/10 11:23 AM
Re: Old and new powders, pressures and Wright´s book	Huvius	05/04/10 11:58 PM
Re: Old and new powders, pressures and Wright´s book	DarylS	07/04/10 01:15 AM
Re: Old and new powders, pressures and Wright´s book	500Nitro	06/04/10 04:53 AM
Re: Old and new powders, pressures and Wright´s book	500grains	06/04/10 05:51 AM
Re: Old and new powders, pressures and Wright´s book	500Nitro	06/04/10 05:59 AM
Re: Old and new powders, pressures and Wright´s book	404bearslayer	06/04/10 07:18 AM
Re: Old and new powders, pressures and Wright´s book	lancaster	06/04/10 04:26 AM

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