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

transvaal
.300 member

Reged: 19/01/13
Posts: 130
Loc: South Carolina

Re: Building, regulating & engraving a DR with shoe lump barrels
27/03/17 01:55 PM

Continuing the posting of photos of machining the shoe lump platform.

It occurred to me earlier tonight as I was waiting for Photobucket to regain its operational ability, that I should show you some photos of what the final shoe lump product looks like and how it is positioned on the barrels prior to brazing all together. Then you will understand where we are and where we are going on this posting.

In the photos below you will see photos of the machining of the lumps. You will also see photos of the contured barrels after I spent a week or so getting them down to the weight and profile that I wanted. The diameter of the barrels at the muzzle is .575" and they weight a bit over 2 pounds each. Most importantly you will see how I devised a way to cut away a radius section of the bottom of the barrels to fit the shoe lump platform. This cutting of the radius is the solution to having the barrels breech end exactly centered to the firing pin bushing holes (striker discs holes) while at the same time leaving about .075" minimum shoe lump radius under the barrels for proper service strength and brazing area. It is extremely important to calculate this machining of the radius and the fitting to the lump exactly to withing a few thousands of an inch, so that when the action is closed you have sufficient gap between the barrel flats and the action flats.

Edited by CptCurl (03/05/17 09:52 PM)

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Subject	Posted by	Posted on
Building, regulating & engraving a DR with shoe lump barrels	transvaal	26/03/17 03:06 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	27/03/17 07:23 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	MMBA	27/03/17 12:56 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	27/03/17 01:55 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	27/03/17 02:22 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	27/03/17 03:07 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	buckbrush	27/03/17 04:08 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	Waidmannsheil	27/03/17 06:59 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	28/03/17 12:08 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	28/03/17 01:51 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	28/03/17 03:20 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	28/03/17 03:54 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	28/03/17 07:31 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	28/03/17 07:59 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Claydog	28/03/17 08:39 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	MMBA	28/03/17 12:59 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	gryphon	28/03/17 01:41 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	Waidmannsheil	28/03/17 08:07 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	29/03/17 03:25 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	29/03/17 04:11 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Matabele	29/03/17 06:48 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Chavez	07/01/20 04:09 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Rhodes	03/02/20 06:28 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	04/02/20 05:07 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Chavez	06/02/20 12:00 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	06/02/20 10:22 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Chavez	06/02/20 03:52 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	Waidmannsheil	04/02/20 06:57 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	04/02/20 11:22 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Rhodes	05/02/20 03:54 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	tinker	07/10/19 08:23 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	baileybradshaw	08/10/19 10:06 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	08/10/19 01:21 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	93x64mm	09/10/19 07:00 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	twobobbwana	09/10/19 12:08 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	09/10/19 01:01 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	DarylS	09/10/19 03:56 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	ruffcountry	04/01/20 12:34 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	Demonwolf444	13/04/17 02:30 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	29/03/17 01:25 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	30/03/17 02:05 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Matabele	30/03/17 07:58 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	30/03/17 09:40 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Matabele	01/04/17 07:08 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	01/04/17 11:03 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	04/04/17 12:24 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Waidmannsheil	04/04/17 06:28 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	04/04/17 12:21 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	Waidmannsheil	04/04/17 07:58 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	Matabele	07/04/17 07:11 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Waidmannsheil	07/04/17 07:42 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	07/04/17 08:18 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	twobobbwana	07/04/17 11:32 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	Matabele	08/04/17 09:26 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	08/04/17 11:15 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	twobobbwana	10/04/17 10:58 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	4al2	10/04/17 10:07 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	12/04/17 01:11 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	11/04/17 03:02 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	26/03/17 03:48 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	eagle27	26/03/17 07:33 PM
Re: Building, regulating & engraving a DR with shoe lump barrels	transvaal	27/03/17 12:12 AM
Re: Building, regulating & engraving a DR with shoe lump barrels	93x64mm	26/03/17 03:48 PM

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