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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?
07/08/15 01:23 AM

So, the lumps are finally hard soldered/brazed in place. This, however, took 3 tries to get a good fit! First the lumps should be a good 'snug' fit in the monoblock. I had too loose a fit. The lumps 'settled' downward and the assembly wouldn't close on the action. There must be a couple thousands clearance between the action flats and the barrel flats.
Next, my milled slot was too wide. On the 2nd attempt, the rear lump shifted about .001 sideways, not allowing the rib extension to go in.
My advice here is to make sure you have a tight fit before you solder. I would have been wise to have taken a center punch and raised some 'points' in the bottom of the monoblock. I tried some brass shims........they obviously melted! You are getting almost red heat to melt the solder. I think I used 40/45% silver (I've had it a long time).
The top pic shows how the lumps should fit the action when you start. No fore and aft movement, extractor in place, locking lug engaged. I think the best advise here is to keep the action totally stripped except for the hinge pin and the locking lug in hand. The crossbolt hole will be the very last thing done!
As for heat: I use an ice melting torch, cheap, on eBay, comes with 3 torches. I use the mid sized. Cheaper than a Siefert for most things. The torch is a bit too long but can be held.

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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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