Home | Ezine | Forums | Links | Contact
NitroExpress.com: Building a double rifle

View recent messages : 24 hours | 48 hours | 7 days | 14 days | 30 days | 60 days | More Smilies


*** Enjoy NitroExpress.com? Participate and join in. ***

Double Rifles, Single Shots & Combinations >> Double Rifles

Judson
.300 member


Reged: 21/09/05
Posts: 192
Loc: St. Albans Maine U.S.A.
Re: This new action...
      16/03/06 11:59 AM


The Verney Carron action I posted had no stoch, forearm or trigger guard when I got it. The bores of the barrels are like a mirror, however the dents and flats from being run over make me think that it would not pattern well as a shot gun. However the $100 price tag was too good to pass up. The guard and forearm Iron I will have to make as I doubt I can find replacements. I will use the remains of the barrel to make a mono block for the new barrels.

Now back to regulating. What I have been doing is to use in reality three wedges. The front one will end up being the front sight, the middle starts out half way back between the sling swivel which is the third wedge and the front sight. When I start, the bores are on the same horizontal plane but when viewed from the top they are slightly converging. This means that in theory they should print the same height but cross about two inches apart at 50 yards
I have found it is best to set your barrels up on a surface plate, (A thick piece of glass will do) and take measurements showing their exact relationship to each other. Write these down for reference. I also check and record them with a bore sighter, one with a graph in it. Every thing is held togther with hose clamps other then the clamps there is very little pressure on the wedges at this point.
Now it is out to the range behind the shop and from a standing rest I fire four shots marking each one as to which barrel. In all probility the barrels will be crossing. This means that the left barrel will be hitting to the right on the target and the right to the left. If this is the case then move the front wedge to the rear a bit. For example, if the shots were crossing and two inches apart I would move the wedge enough to spread the barrels about .004" and try again. Now it would seem that where crossing the barrelswere crossing at 50 yards and two inches apart they should be spread more like .008" but remember the rotational forces since the recoil is not along the center line of the bore.
Go back to the range and try it again after writing down all the measurements and using the bore sighter again. (By the way I came up with the correction measurements by using .001" as 1" at 100 yards or one minuite of angle, this is not quite right and there are other factors but it is close enough for our purposes)
If the elevation is off between the barrels split the difference, this is where a surface plate really helps. If you get to the point where you do not want to move the front wedge any further to the rear or you want to fine tune the regulating a bit use the middle wedge. Moving this wedge to the rear should bring the groups from each barrel closer togther and moving it forward should allow the groups to open up. Moving the third wedge(Front swivel) will have the same effect however you do not want the swivel to end up is a strange location so I only us it for final tweeking as it has less effect when moved. Both the front and middle wedges when moved make rather drastic changes and you can chace your groups all day trying to get it "just right" if you only use them. I hope I have been of some help!


--------------------
It is the small calibers that are the biggest bores.

Post Extras Print Post   Remind Me!     Notify Moderator


Entire topic
Subject Posted by Posted on
* Building a double rifle Judson 12/10/05 07:07 AM
. * * Re: Building a double rifle DoubleD   12/04/06 04:18 AM
. * * Re: Building a double rifle AkMike   12/04/06 04:04 PM
. * * Re: Building a double rifle DoubleD   13/04/06 01:06 AM
. * * Re: Building a double rifle Ron_Vella   14/04/06 05:48 AM
. * * Re: Building a double rifle Judson   14/04/06 08:14 AM
. * * Re: Building a double rifle Ron_Vella   14/04/06 08:52 AM
. * * Re: Building a double rifle Judson   14/04/06 09:48 AM
. * * Re: Building a double rifle Ron_Vella   14/04/06 11:28 AM
. * * Re: Building a double rifle Judson   15/04/06 08:59 AM
. * * Re: Building a double rifle NE450No2   14/04/06 02:05 PM
. * * Re: Building a double rifle Judson   16/04/06 11:10 AM
. * * Re: Building a double rifle DoubleD   16/04/06 08:43 PM
. * * Re: Building a double rifle Judson   17/04/06 08:39 AM
. * * Re: Building a double rifle BlainSmipy   20/05/06 02:47 AM
. * * Re: Building a double rifle Judson   20/05/06 07:55 AM
. * * Re: Building a double rifle Judson   19/05/06 06:02 AM
. * * Re: Building a double rifle 500Nitro   16/04/06 09:10 PM
. * * Re: Building a double rifle banzaibird   17/04/06 01:08 AM
. * * Re: Building a double rifle BlainSmipy   20/05/06 02:25 PM
. * * Re: Building a double rifle DoubleD   17/04/06 03:29 AM
. * * Re: Building a double rifle Judson   15/04/06 09:07 AM
. * * Re: Building a double rifle 500Nitro   15/04/06 10:07 AM
. * * Re: Building a double rifle Judson   16/04/06 11:05 AM
. * * Re: Building a double rifle 577500WR   15/04/06 10:49 AM
. * * Re: Building a double rifle 500Nitro   15/04/06 12:10 PM
. * * Re: Building a double rifle tinker   14/04/06 09:04 AM
. * * Re: Building a double rifle banzaibird   14/04/06 06:41 AM
. * * Re: Building a double rifle Judson   12/04/06 09:17 AM
. * * Re: Building a double rifle DoubleD   12/04/06 03:30 PM
. * * Re: Building a double rifle MauserRifle   12/10/05 11:41 AM
. * * Re: Building a double rifle Judson   13/10/05 08:39 AM
. * * Re: Building a double rifle 500Nitro   13/10/05 08:47 AM
. * * Re: Building a double rifle Judson   13/10/05 09:54 AM
. * * Re: Building a double rifle Daryl_S   14/10/05 03:04 AM
. * * Re: Building a double rifle Judson   14/10/05 09:22 AM
. * * Re: Building a double rifle Judson   16/10/05 08:39 AM
. * * Re: Building a double rifle Marrakai   16/10/05 12:03 PM
. * * Re: Building a double rifle Judson   17/10/05 10:12 AM
. * * Re: Building a double rifle Judson   17/10/05 10:49 AM
. * * Re: Building a double rifle NE450No2   17/10/05 04:27 PM
. * * Re: Building a double rifle Judson   18/10/05 09:14 AM
. * * Re: Building a double rifle JPeterson   18/10/05 09:34 AM
. * * Re: Building a double rifle NE450No2   18/10/05 06:08 PM
. * * Re: Building a double rifle Marrakai   18/10/05 07:08 PM
. * * Re: Building a double rifle Judson   19/10/05 07:52 AM
. * * Re: Building a double rifle Judson   20/10/05 08:21 AM
. * * Re: Building a double rifle nopride2   23/10/05 12:26 PM
. * * Re: Building a double rifle MauserRifle   20/10/05 11:20 AM
. * * Re: Building a double rifle Judson   22/10/05 08:54 AM
. * * Re: Building a double rifle pwm   23/10/05 03:53 AM
. * * Re: Building a double rifle Daryl_S   23/10/05 04:08 AM
. * * Re: Building a double rifle Judson   23/10/05 09:08 AM
. * * Re: Building a double rifle mehulkamdar   23/10/05 01:47 PM
. * * Re: Building a double rifle mickeyModerator   23/10/05 02:41 PM
. * * Re: Building a double rifle Judson   23/10/05 10:04 PM
. * * Re: Building a double rifle Judson   24/10/05 10:44 AM
. * * Re: Building a double rifle Judson   25/10/05 08:06 AM
. * * Re: Building a double rifle Judson   28/10/05 08:34 AM
. * * Re: Building a double rifle MauserRifle   28/10/05 11:35 AM
. * * Re: Building a double rifle Judson   31/10/05 11:24 AM
. * * Re: Building a double rifle Marrakai   31/10/05 02:25 PM
. * * Re: Building a double rifle Judson   01/11/05 11:05 AM
. * * Re: Building a double rifle mehulkamdar   04/11/05 01:53 PM
. * * Re: Building a double rifle Judson   04/11/05 10:52 AM
. * * Re: Building a double rifle Chasseur   04/11/05 02:33 PM
. * * Re: Building a double rifle mickeyModerator   04/11/05 02:48 PM
. * * Re: Building a double rifle Judson   05/11/05 09:35 AM
. * * Re: Building a double rifle MauserRifle   05/11/05 12:39 PM
. * * Re: Building a double rifle Judson   06/11/05 11:13 AM
. * * Re: Building a double rifle tinker   06/11/05 11:42 AM
. * * Re: Building a double rifle Judson   10/11/05 10:39 AM
. * * Re: Building a double rifle doublegunfan   12/11/05 06:06 AM
. * * Re: Building a double rifle Judson   12/11/05 11:16 AM
. * * Re: Building a double rifle Judson   12/02/06 10:59 AM
. * * Re: Building a double rifle banzaibird   05/11/05 09:45 AM
. * * Re: Building a double rifle BlainSmipy   14/02/06 04:27 AM
. * * Re: Building a double rifle banzaibird   14/02/06 05:03 AM
. * * 500NE BlainSmipy   16/02/06 01:45 AM
. * * Re: Building a double rifle Judson   19/02/06 12:05 PM
. * * 9.3x74R BlainSmipy   20/02/06 05:09 AM
. * * Re: Building a double rifle Judson   20/02/06 12:45 PM
. * * Re: Building a double rifle Marrakai   20/02/06 02:53 PM
. * * Re: Building a double rifle bonanza   24/02/06 08:48 AM
. * * Re: Building a double rifle Marrakai   24/02/06 03:44 PM
. * * 470 NE Loads BlainSmipy   25/02/06 03:48 AM
. * * Long shotgun actions tinker   24/02/06 04:28 PM
. * * Re: Long shotgun actions Marrakai   24/02/06 09:35 PM
. * * Re: Long shotgun actions BlainSmipy   04/03/06 11:24 AM
. * * Re: Long shotgun actions Marrakai   04/03/06 10:55 PM
. * * Re: Long shotgun actions tinker   05/03/06 03:13 AM
. * * Re: Long shotgun actions Judson   05/03/06 12:03 PM
. * * Re: Long shotgun actions 500Nitro   05/03/06 12:53 PM
. * * Re: Long shotgun actions Marrakai   05/03/06 12:50 PM
. * * Re: Long shotgun actions BlainSmipy   05/03/06 02:19 PM
. * * Re: Long shotgun actions Marrakai   05/03/06 05:50 PM
. * * Re: Long shotgun actions Marrakai   05/03/06 09:37 PM
. * * Re: Long shotgun actions banzaibird   06/03/06 01:08 AM
. * * Re: Long shotgun actions oupa   14/03/06 02:21 PM
. * * Re: Long shotgun actions 4seventyModerator   14/03/06 05:23 PM
. * * Re: Long shotgun actions Marrakai   06/03/06 07:32 PM
. * * Re: Long shotgun actions banzaibird   07/03/06 12:59 AM
. * * Re: Long shotgun actions doublegunfan   06/03/06 01:37 AM
. * * Re: Long shotgun actions Judson   09/03/06 12:12 PM
. * * Re: Long shotgun actions BlainSmipy   09/03/06 06:06 PM
. * * Re: Long shotgun actions Judson   14/03/06 01:28 PM
. * * Hollis 500/450 BlainSmipy   15/03/06 03:57 AM
. * * Re: 50-90 Regulation load and update Judson   15/03/06 11:02 AM
. * * Re: 50-90 Regulation load and update Judson   15/03/06 11:43 AM
. * * This new action... tinker   15/03/06 12:15 PM
. * * Re: This new action... Judson   16/03/06 11:59 AM
. * * Re: This new action... banzaibird   16/03/06 01:18 PM
. * * Re: This new action... Judson   16/03/06 01:53 PM
. * * Re: This new action... banzaibird   17/03/06 10:52 AM
. * * Re: This new action... banzaibird   17/03/06 10:51 AM
. * * Re: This new action... Judson   18/03/06 11:08 AM
. * * Re: This new action... banzaibird   18/03/06 01:04 PM
. * * Re: This new action... Judson   18/03/06 04:54 PM
. * * Re: This new action... WildCattle   03/04/06 02:27 PM
. * * Re: This new action... BlainSmipy   19/03/06 01:11 AM
. * * Re: This new action... Judson   19/03/06 10:20 AM
. * * Re: This new action... banzaibird   19/03/06 11:23 AM
. * * Re: This new action... Judson   03/04/06 12:06 PM
. * * Re: This new action... banzaibird   04/04/06 11:49 AM
. * * Re: This new action... Judson   06/04/06 08:42 AM
. * * Re: This new action... BlainSmipy   04/04/06 12:23 PM
. * * Checkering... tinker   03/04/06 12:24 PM
. * * Re: This new action... CptCurlAdministrator   19/03/06 03:40 AM
. * * Re: 50-90 Regulation load and update Daryl_S   15/03/06 05:08 AM
. * * 465NE BlainSmipy   06/03/06 04:34 AM
. * * Re: Long shotgun actions doublegunfan   07/03/06 01:23 AM
. * * Hollis 500/450 BlainSmipy   07/03/06 05:12 AM
. * * Re: Long shotgun actions Judson   07/03/06 09:22 AM
. * * Re: Long shotgun actions BlainSmipy   07/03/06 11:25 AM
. * * Re: Long shotgun actions Marrakai   07/03/06 10:06 PM
. * * Re: Long shotgun actions BlainSmipy   08/03/06 03:31 AM
. * * Re: Long shotgun actions Marrakai   08/03/06 02:59 PM
. * * 500NE BlainSmipy   08/03/06 07:19 PM
. * * Re: Long shotgun actions tinker   08/03/06 03:55 PM
. * * Re: Long shotgun actions Marrakai   08/03/06 09:56 PM
. * * Re: Long shotgun actions Daryl_S   09/03/06 07:24 AM
. * * Re: Long shotgun actions banzaibird   08/03/06 03:54 AM
. * * 475NE BlainSmipy   08/03/06 05:24 AM
. * * Merkel 470 BlainSmipy   08/03/06 10:24 AM
. * * Re: Long shotgun actions Grizzly   08/03/06 10:39 AM
. * * Re: Long shotgun actions Daryl_S   08/03/06 05:54 AM
. * * Re: Long shotgun actions bonanza   08/03/06 06:07 AM
. * * Striker bushings, questions of safety... tinker   06/03/06 03:22 AM
. * * Re: Long shotgun actions BlainSmipy   05/03/06 04:29 AM
. * * Re: Long shotgun actions banzaibird   24/02/06 05:10 PM
. * * Re: Long shotgun actions deant   25/02/06 04:45 AM
. * * Re: Long shotgun actions banzaibird   25/02/06 09:53 AM
. * * Re: Long shotgun actions deant   26/02/06 01:28 AM
. * * Re: Long shotgun actions Judson   03/03/06 10:54 AM
. * * Re: Long shotgun actions tinker   03/03/06 12:29 PM
. * * Re: Long shotgun actions tinker   25/02/06 10:28 AM
. * * Re: Long shotgun actions tinker   25/02/06 01:52 AM
. * * Re: Building a double rifle banzaibird   24/02/06 04:09 PM
. * * Re: Building a double rifle banzaibird   24/02/06 09:43 AM
. * * Hollis 500/450 BlainSmipy   24/02/06 03:00 PM
. * * Re: Building a double rifle banzaibird   24/02/06 09:59 AM
. * * Re: Building a double rifle banzaibird   24/02/06 11:24 AM
. * * 577 BlainSmipy   24/02/06 03:04 PM
. * * Re: Building a double rifle vigillinus   23/02/06 06:53 PM
. * * Re: Building a double rifle NE450No2   24/02/06 07:44 AM
. * * Re: Building a double rifle bonanza   24/02/06 08:31 AM
. * * Re: Building a double rifle BlainSmipy   20/02/06 05:01 AM
. * * Re: Building a double rifle banzaibird   14/02/06 05:07 AM
. * * Re: Building a double rifle BlainSmipy   14/02/06 07:32 AM
. * * Re: Building a double rifle banzaibird   14/02/06 09:36 AM
. * * Re: Building a double rifle Judson   15/02/06 11:55 AM
. * * Re: Building a double rifle 475Guy   04/11/05 01:44 PM
. * * Re: Building a double rifle JPeterson   01/11/05 11:11 AM
. * * Re: Building a double rifle mickeyModerator   01/11/05 03:03 PM
. * * Re: Building a double rifle mickeyModerator   22/10/05 10:29 AM
. * * Re: Building a double rifle tinker   20/10/05 11:01 AM
. * * Re: Building a double rifle Will   18/10/05 11:29 PM
. * * Re: Building a double rifle mickeyModerator   12/10/05 09:06 AM
. * * Re: Building a double rifle JPeterson   12/10/05 09:18 AM

Extra information
0 registered and 35 anonymous users are browsing this forum.

Moderator:  CptCurl, 4seventy, mickey 



Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled

Rating: *****
Thread views: 59646

You rated this thread a 5.
Jump to

Contact Us NitroExpress.com

Powered by UBB.threads™ 6.5.5


Home | Ezine | Forums | Links | Contact


Copyright 2003 to 2011 - all rights reserved