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Double Rifles, Single Shots & Combinations >> Double Rifles
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bonanza
.400 member


Reged: 17/05/04
Posts: 2335
Loc: South Carolina
Re: New Double Cartridge needed??
      18/06/07 06:38 AM

You may have noticed that most of the double rifle cartridges are launching the projectiles at or near 2150 fps. The amount of pressure to do this is dependant on the case volume. A 458 WM produces 18 tones and a 450 No2 11 tones to attain the same velocity. A quick study of the Ideal Gas Law (PV=nRT) will shed some light.

In regards to a break open action, the back thrust of the case causes the frame to asymmetrically flex and stretch. It’s this tweaking that contributes to a rifle coming of face.

When one starts talking about high velocity small bore cartridges, high pressure becomes the bug-a-bear.

A .350 cartridge with the ballistics of a .35 Whelan and pressure of a 450-400 is darn near ideal in my book. It’s called the .350 Rigby

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Entire topic
Subject Posted by Posted on
* New Double Cartridge needed?? hoppdoc 17/06/07 11:18 AM
. * * Re: New Double Cartridge needed?? JabaliHunter   15/11/07 04:52 AM
. * * Re: New Double Cartridge needed?? 400NitroExpress   15/11/07 01:28 PM
. * * Re: New Double Cartridge needed?? JabaliHunter   16/11/07 04:44 AM
. * * Re: New Double Cartridge needed?? 400NitroExpress   21/11/07 09:05 AM
. * * Re: New Double Cartridge needed?? JabaliHunter   23/11/07 06:46 AM
. * * Re: New Double Cartridge needed?? Shanster   21/11/07 09:30 AM
. * * Re: New Double Cartridge needed?? Chasseur   15/11/07 05:57 AM
. * * to hopp..... escard   03/07/07 09:47 PM
. * * Re: New Double Cartridge needed?? fuhrmann   21/06/07 05:56 AM
. * * Re: New Double Cartridge needed?? 500Nitro   17/06/07 11:43 AM
. * * Re: New Double Cartridge needed?? hoppdoc   17/06/07 12:24 PM
. * * Re: New Double Cartridge needed?? Sarg   17/06/07 02:57 PM
. * * Re: New Double Cartridge needed?? EricCioe   17/06/07 03:54 PM
. * * Re: New Double Cartridge needed?? hoppdoc   17/06/07 10:03 PM
. * * Re: New Double Cartridge needed?? bonanza   17/06/07 11:19 PM
. * * Re: New Double Cartridge needed?? bonanza   18/06/07 03:13 AM
. * * Re: New Double Cartridge needed?? hoppdoc   18/06/07 05:38 AM
. * * Re: New Double Cartridge needed?? bonanza   18/06/07 06:38 AM
. * * Re: New Double Cartridge needed?? Mike_McGuire   18/06/07 08:32 AM
. * * Re: New Double Cartridge needed?? bonanza   18/06/07 10:15 PM
. * * Re: New Double Cartridge needed?? Ripp   18/06/07 10:45 PM
. * * Re: New Double Cartridge needed?? dnovo   18/06/07 11:06 PM
. * * Re: New Double Cartridge needed?? Tatume   19/06/07 05:49 AM
. * * Re: New Double Cartridge needed?? bonanza   19/06/07 06:48 AM
. * * Re: New Double Cartridge needed?? AzGuy   19/06/07 10:11 AM
. * * Re: New Double Cartridge needed?? hoppdoc   18/06/07 10:43 AM
. * * Re: New Double Cartridge needed?? bonanza   18/06/07 09:56 PM
. * * Re: New Double Cartridge needed?? Ripp   18/06/07 12:27 PM
. * * Re: New Double Cartridge needed?? Mike_McGuire   18/06/07 11:32 AM
. * * Re: New Double Cartridge needed?? hoppdoc   18/06/07 12:37 AM
. * * Re: New Double Cartridge needed?? 400NitroExpress   20/06/07 03:28 PM
. * * Re: New Double Cartridge needed?? hoppdoc   20/06/07 08:10 PM
. * * Re: New Double Cartridge needed?? Fladude   21/11/07 05:13 AM
. * * Re: New Double Cartridge needed?? maddenwh   30/07/07 09:35 AM
. * * Re: New Double Cartridge needed?? 400NitroExpress   01/08/07 01:09 AM
. * * Re: New Double Cartridge needed?? hoppdoc   01/08/07 07:10 AM
. * * Re: New Double Cartridge needed?? 400NitroExpress   01/08/07 07:32 AM
. * * Re: New Double Cartridge needed?? hoppdoc   01/08/07 04:32 PM
. * * Re: New Double Cartridge needed?? maddenwh   01/08/07 08:01 PM
. * * Re: New Double Cartridge needed?? 400NitroExpress   15/11/07 12:13 PM
. * * Re: New Double Cartridge needed?? bonanza   01/08/07 07:21 AM
. * * Re: New Double Cartridge needed?? NitroXAdministrator   20/06/07 09:05 PM
. * * Re: New Double Cartridge needed?? Savuti_One_Shot   29/07/07 01:12 AM
. * * Re: New Double Cartridge needed?? hoppdoc   29/07/07 06:58 PM
. * * Re: New Double Cartridge needed?? hoppdoc   21/06/07 11:50 AM
. * * Re: New Double Cartridge needed?? Rustyzipper   02/07/07 10:05 AM
. * * Re: New Double Cartridge needed?? 9.3x57   03/07/07 10:23 PM
. * * Re: New Double Cartridge needed?? bonanza   28/07/07 11:05 PM
. * * Re: New Double Cartridge needed?? unspellable   04/07/07 04:14 AM
. * * Re: New Double Cartridge needed?? escard   04/07/07 04:43 PM
. * * Re: New Double Cartridge needed?? unspellable   10/07/07 02:25 AM
. * * Re: New Double Cartridge needed?? enfieldspares   28/07/07 07:36 AM
. * * Re: New Double Cartridge needed?? Bramble   28/07/07 08:12 AM
. * * Re: New Double Cartridge needed?? 500grains   18/06/07 12:52 AM

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