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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

Carpetsahib
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Reged: 29/04/07
Posts: 435
Loc: Western NC
Re: Backthrust table - anyone have one?
      21/07/15 10:01 AM

Well, I have information for 4 calibers.

The 9.3x74R should be about the same as the .30-06. The internal head area is .1164 in^2. Simply multiply this by the peak chamber pressure to obtain the back thrust.

The .405 is the same as the .30-40 Krag at .1134 in^2.

The .450/.400 is the same as the .450 NE at .1676 in^2.

The .375 H&H is .1385 in^2.

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Entire topic
Subject Posted by Posted on
* Backthrust table - anyone have one? Grenadier 20/07/15 10:48 AM
. * * Re: Backthrust table - anyone have one? Carpetsahib   21/07/15 01:05 AM
. * * Re: Backthrust table - anyone have one? Grenadier   21/07/15 04:43 AM
. * * Re: Backthrust table - anyone have one? Carpetsahib   21/07/15 10:01 AM
. * * Re: Backthrust table - anyone have one? Grenadier   21/07/15 06:20 PM
. * * Re: Backthrust table - anyone have one? eagle27   21/07/15 07:51 PM
. * * Re: Backthrust table - anyone have one? Carpetsahib   22/07/15 12:18 AM
. * * Re: Backthrust table - anyone have one? Bergen   27/11/15 10:49 AM
. * * Re: Backthrust table - anyone have one? Matabele   28/11/15 11:01 PM

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