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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?
12/06/14 05:01 AM

I drilled the first hole(s) to hold the ejector rod. I started by using the 5/8's bit as a spud to line up the bore and clamp the block in the X,Y vise so the angle would be correct. I want the hole parallel to the flats. Personally, I've found drill bits wander so I started with a #29....it was a new bit, and much smaller than 3/16's I'll work up to. True to form, the bit came out a few thousands to the left. I remounted the block, muzzle end up, and used a center drill to 'warble' a tad to the right so as to drill the next size up. I'll drill another size hole larger before finally reaming to 3/16's.
I might add at this point I've inserted some brass shims in the 'T' slot to hold the lumps and block tightly in their correct position. I will not braze them until the blocks are threaded and barrels fairly well mounted. Using a 5/8th's rod in the 'bore' and a laser, it's amazing how much a couple thousands movement changes the line!

Edited by TennHillBilly (12/06/14 05:07 AM)

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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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