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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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Bramble
.375 member


Reged: 29/07/06
Posts: 950
Loc: England
Re: Hey guys, What about failures?
      04/03/07 01:10 PM

I believe so, in that I have the calcs for the origional design criteria and breach thrust. The conversion develops less thrust than the origional loading. The conversion is proofed to 3500 bar 52,000 psi or thereabouts. The max loading for the cartridge is 28,000 psi or so. Thus we have a test 185% of max loading.
The 4140 that the barrels are made of has a hoop pressure yeild of around 150,000 psi
They don't build bridges with that sort of margin. If it came to litigation I would consider that I had an adaquate defence.
But I live in England, I wouldent fancy the argument in a California court room :-)

Regards

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Entire topic
Subject Posted by Posted on
* Hey guys, What about failures? CptCurlAdministrator 20/02/07 12:36 PM
. * * Re: Hey guys, What about failures? banzaibird   22/02/07 11:51 AM
. * * Re: Hey guys, What about failures? tinker   22/02/07 12:33 PM
. * * Re: Hey guys, What about failures? Bramble   22/02/07 12:53 PM
. * * Re: Hey guys, What about failures? banzaibird   22/02/07 01:06 PM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   22/02/07 03:02 PM
. * * Re: Hey guys, What about failures? banzaibird   22/02/07 11:15 PM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   23/02/07 02:26 AM
. * * Re: Hey guys, What about failures? Ron_Vella   23/02/07 02:55 AM
. * * Re: Hey guys, What about failures? banzaibird   23/02/07 04:03 AM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   23/02/07 01:20 PM
. * * Re: Hey guys, What about failures? Bramble   24/02/07 01:37 PM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   24/02/07 02:00 PM
. * * Re: Hey guys, What about failures? hobbyguymaine   26/02/07 02:33 PM
. * * Re: Hey guys, What about failures? banzaibird   28/02/07 10:48 AM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   28/02/07 11:15 AM
. * * Re: Hey guys, What about failures? banzaibird   28/02/07 12:00 PM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   28/02/07 12:21 PM
. * * Re: Hey guys, What about failures? banzaibird   28/02/07 01:00 PM
. * * Re: Hey guys, What about failures? Bramble   01/03/07 12:12 PM
. * * Re: Hey guys, What about failures? CptCurlAdministrator   03/03/07 11:34 PM
. * * Re: Hey guys, What about failures? Bramble   04/03/07 01:10 PM
. * * Re: Hey guys, What about failures? tinker   23/02/07 07:45 AM

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