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

TennHillBilly
.275 member

Reged: 17/05/13
Posts: 69
Loc: Tennessee Plateau

Re: Suitable steels for monoblock?
21/05/15 05:12 AM

First pic shows where the barrels have been turned, with still a bit of turning, fitting shoulders etc. to do. The barrels are not exactly the same in length, basing that on the remainder of the old cartridge's neck remaining. That can barely be seen in the left barrel.
The red ink shows where a laser hit when I was about 1/3 into the monoblock. The black, where it is now. While this may not be precise, it gives me an idea how far off I might be.
I must admit, boring and reaming that last few thousands was a bear! I bought an expanding 13/16th reamer with a Morse 2 taper to fit the tailstock. The barrels I chucked in the 4 jaw and worked to about .003. If were going to do this often, I would invest in, or have made, spider for the outside of the lathe spindle. Of course, in a perfect world, I'd have a long bed lathe and turn between centers. Since the bbls will get forced about in the regulation process, I'm not sure such precision is necessary.....we'll see!
The 1.144" is the distance of the firing pins' center line. The plan, as of today is that once the barrels are finalized and I'm satisfied with the fit, I'll hard silver solder the lumps in place. Soon I'll be able to get rid of a 'ton' of excess steel from the monoblock!

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Subject	Posted by	Posted on
Suitable steels for monoblock?	TennHillBilly	24/03/14 02:37 AM
Re: Suitable steels for monoblock?	doubleriflejack	28/03/14 06:11 AM
Re: Suitable steels for monoblock?	TennHillBilly	29/03/14 06:26 AM
Re: Suitable steels for monoblock?	TennHillBilly	12/04/14 12:17 AM
Re: Suitable steels for monoblock?	Deutsche_Vortrekker	02/09/14 11:08 PM
Re: Suitable steels for monoblock?	TennHillBilly	04/09/14 05:41 AM
Re: Suitable steels for monoblock?	Dumprat	15/09/14 12:13 AM
Re: Suitable steels for monoblock?	TennHillBilly	13/04/14 07:07 AM
Re: Suitable steels for monoblock?	TennHillBilly	14/04/14 09:33 AM
Re: Suitable steels for monoblock?	Waidmannsheil	14/04/14 01:05 PM
Re: Suitable steels for monoblock?	ruffcountry	14/04/14 02:38 PM
Re: Suitable steels for monoblock?	TennHillBilly	15/04/14 04:42 AM
Re: Suitable steels for monoblock?	Shotgunlover	15/04/14 11:32 PM
Re: Suitable steels for monoblock?	TennHillBilly	16/04/14 12:02 AM
Re: Suitable steels for monoblock?	Shotgunlover	16/04/14 03:22 AM
Re: Suitable steels for monoblock?	TennHillBilly	16/04/14 05:08 AM
Re: Suitable steels for monoblock?	Shotgunlover	16/04/14 05:35 AM
Re: Suitable steels for monoblock?	TennHillBilly	16/04/14 11:53 PM
Re: Suitable steels for monoblock?	TennHillBilly	25/04/14 03:58 AM
Re: Suitable steels for monoblock?	TennHillBilly	30/04/14 11:30 PM
Re: Suitable steels for monoblock?	Shotgunlover	03/05/14 03:47 AM
Re: Suitable steels for monoblock?	TennHillBilly	03/05/14 07:39 AM
Re: Suitable steels for monoblock?	TennHillBilly	05/05/14 02:04 AM
Re: Suitable steels for monoblock?	TennHillBilly	16/05/14 04:27 AM
Re: Suitable steels for monoblock?	Shotgunlover	17/05/14 04:28 AM
Re: Suitable steels for monoblock?	TennHillBilly	18/05/14 08:36 AM
Re: Suitable steels for monoblock?	Crusader68	14/09/14 04:54 AM
Re: Suitable steels for monoblock?	TennHillBilly	17/09/14 02:56 AM
Re: Suitable steels for monoblock?	aromakr	19/09/14 01:44 AM
Re: Suitable steels for monoblock?	TennHillBilly	21/09/14 09:40 AM
Re: Suitable steels for monoblock?	aromakr	23/09/14 12:17 AM
Re: Suitable steels for monoblock?	transvaal	25/09/14 12:12 AM
Re: Suitable steels for monoblock?	aromakr	25/09/14 11:49 PM
Re: Suitable steels for monoblock?	TennHillBilly	16/11/14 03:58 AM
Re: Suitable steels for monoblock?	TennHillBilly	27/04/15 05:09 AM
Re: Suitable steels for monoblock?	TennHillBilly	08/05/15 09:59 AM
Re: Suitable steels for monoblock?	TennHillBilly	13/05/15 08:21 AM
Re: Suitable steels for monoblock?	TennHillBilly	15/05/15 06:45 AM
Re: Suitable steels for monoblock?	TennHillBilly	21/05/15 05:12 AM
Re: Suitable steels for monoblock?	TennHillBilly	24/05/15 06:15 AM
Re: Suitable steels for monoblock?	TennHillBilly	28/05/15 06:53 AM
Re: Suitable steels for monoblock?	TennHillBilly	06/06/15 06:02 AM
Re: Suitable steels for monoblock?	TennHillBilly	20/06/15 04:02 AM
Re: Suitable steels for monoblock?	TennHillBilly	09/07/15 04:59 AM
Re: Suitable steels for monoblock?	TennHillBilly	23/07/15 09:17 AM
Re: Suitable steels for monoblock?	DarylS	23/07/15 11:14 AM
Re: Suitable steels for monoblock?	TennHillBilly	25/07/15 12:13 AM
Re: Suitable steels for monoblock?	TennHillBilly	07/08/15 01:23 AM
Re: Suitable steels for monoblock?	TennHillBilly	15/08/15 04:09 AM
Re: Suitable steels for monoblock?	Dumprat	23/09/14 02:46 AM
Re: Suitable steels for monoblock?	TennHillBilly	20/05/14 07:13 AM
Re: Suitable steels for monoblock?	TennHillBilly	22/05/14 07:28 AM
Re: Suitable steels for monoblock?	aromakr	27/05/14 11:45 PM
Re: Suitable steels for monoblock?	TennHillBilly	31/05/14 12:40 AM
Re: Suitable steels for monoblock?	TennHillBilly	06/06/14 12:03 AM
Re: Suitable steels for monoblock?	TennHillBilly	12/06/14 05:01 AM
Re: Suitable steels for monoblock?	Shotgunlover	13/06/14 06:37 PM
Re: Suitable steels for monoblock?	Waidmannsheil	14/06/14 08:08 AM
Re: Suitable steels for monoblock?	TennHillBilly	02/09/14 01:36 AM
Re: Suitable steels for monoblock?	Dumprat	12/04/14 01:32 AM
Re: Suitable steels for monoblock?	Dumprat	24/03/14 03:31 AM

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