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Double Rifles, Single Shots & Combinations >> Double Rifles

Bramble
.375 member

Reged: 29/07/06
Posts: 950
Loc: England

Re: Your preference - new best quality or vintage?
06/12/08 03:24 AM

"The sleeving of new barrels in an old shotgun,be they rifle or shot, is best done by cutting threads in the front 1" of the hole "

With the greatest of respect, there is insufficient wall thickness to do that to a best shotgun if one is replacing with shot barrels. Given that the barrel shank diamiter needs to be less than the minor diamiter of the thread and then the major diamiter needs to be accomodated by the existing barrel wall thickness. Nor is it needed as it will not conceal the joint. Traditionally these sleeves are simply soft soldered into the reamed out "monoblock" created by cutting off the old barrels. The resultant surface area for the soft solder give much highter sheer strength than a fine circa .729 minor diamiter 1" long thread can do. Further it obviates any gas cutting that is possible from a thread alone.

"In the case of a real mono-block, as the name implies, a mono-block is one solid piece of steel, milled from a known aloy. With this one may fit the block to the action and rough finish to shape befor barrels are even aquired. There is no solder involved at this point. the barrels may be turned to fit two holes through the mono-block, and can be fixed there by threading, and press fit, or silvering,the barrel shanks, and fluxing, the mono-block, heated, and barrels pressed into place, and cooled. At this point the stress relief can be done any way the maker chooses. I personally whould go the Cryno method with any of the systems involved posted on this thread. The true mono-block can be tigged, with little problem in relieving stress by the method you choose.
"

In this process there is no need for stress relief as there are none set up unless the barrel joint is welded.

In respect of Cryo stress relief generally, this is not suitible for welded CrM steel as the steel needs to be heated to its normalisation tempreture to realign the crystaline structure, rehardened and tempered. Cryo will not and is not, designed to achieve this.

Regards

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Subject	Posted by	Posted on
Your preference - new best quality or vintage?	500grains	04/12/08 04:45 AM
Re: Your preference - new best quality or vintage?	Anonymous	04/12/08 05:17 PM
Re: Your preference - new best quality or vintage?	JPK	04/12/08 11:44 PM
Re: Your preference - new best quality or vintage?	DUGABOY1	05/12/08 06:15 AM
Re: Your preference - new best quality or vintage?	tinker	05/12/08 07:29 AM
Re: Your preference - new best quality or vintage?	JPK	05/12/08 08:30 AM
Re: Your preference - new best quality or vintage?	tinker	05/12/08 10:09 AM
Re: Your preference - new best quality or vintage?	JPK	06/12/08 12:44 AM
Re: Your preference - new best quality or vintage?	tinker	06/12/08 03:04 AM
Re: Your preference - new best quality or vintage?	CptCurl	06/12/08 03:28 AM
Re: Your preference - new best quality or vintage?	Bramble	06/12/08 04:37 AM
Re: Your preference - new best quality or vintage?	CptCurl	06/12/08 06:28 AM
Re: Your preference - new best quality or vintage?	JPK	06/12/08 04:05 AM
Re: Your preference - new best quality or vintage?	Bramble	06/12/08 04:35 AM
Re: Your preference - new best quality or vintage?	tinker	06/12/08 06:31 AM
Re: Your preference - new best quality or vintage?	Bramble	06/12/08 01:29 AM
Re: Your preference - new best quality or vintage?	DUGABOY1	06/12/08 02:40 AM
Re: Your preference - new best quality or vintage?	Bramble	06/12/08 03:24 AM
Re: Your preference - new best quality or vintage?	bigdog	06/12/08 09:25 AM
Re: Your preference - new best quality or vintage?	philbert	09/12/08 01:29 AM
Re: Your preference - new best quality or vintage?	JPK	09/12/08 02:23 AM
Re: Your preference - new best quality or vintage?	CptCurl	09/12/08 07:56 AM
Re: Your preference - new best quality or vintage?	JPK	09/12/08 11:09 AM
Re: Your preference - new best quality or vintage?	CptCurl	09/12/08 01:34 PM
Re: Your preference - new best quality or vintage?	gatsby	09/12/08 02:36 PM
Re: Your preference - new best quality or vintage?	JPK	09/12/08 03:46 PM
Re: Your preference - new best quality or vintage?	CptCurl	09/12/08 11:34 PM
Re: Your preference - new best quality or vintage?	gatsby	10/12/08 01:53 PM
Re: Your preference - new best quality or vintage?	rigbymauser	11/12/08 01:36 AM
Re: Your preference - new best quality or vintage?	Bramble	11/12/08 03:19 AM
Re: Your preference - new best quality or vintage?	rigbymauser	12/12/08 02:15 AM
Re: Your preference - new best quality or vintage?	kamilaroi	09/12/08 02:21 PM
Re: Your preference - new best quality or vintage?	gatsby	04/12/08 06:14 AM
Re: Your preference - new best quality or vintage?	rigbymauser	04/12/08 06:27 AM
Re: Your preference - new best quality or vintage?	CowboyCS	04/12/08 06:38 AM
Re: Your preference - new best quality or vintage?	CptCurl	04/12/08 05:24 AM
Re: Your preference - new best quality or vintage?	doubleriflenut	12/12/08 09:07 AM
Re: Your preference - new best quality or vintage?	nopride2	22/12/08 12:42 PM
Re: Your preference - new best quality or vintage?	Huvius	06/12/08 02:25 AM
Re: Your preference - new best quality or vintage?	Bramble	06/12/08 02:38 AM
Re: Your preference - new best quality or vintage?	JPK	04/12/08 09:00 AM
Re: Your preference - new best quality or vintage?	Bramble	04/12/08 09:27 AM
Re: Your preference - new best quality or vintage?	JPK	04/12/08 03:32 PM
Re: Your preference - new best quality or vintage?	Caprivi	04/12/08 11:21 AM
Re: Your preference - new best quality or vintage?	JPK	04/12/08 09:17 AM
Re: Your preference - new best quality or vintage?	470evans	04/12/08 05:39 AM
Re: Your preference - new best quality or vintage?	tinker	04/12/08 05:23 AM

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