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Tallchief-


It's a nice thought - but laser pointers have proven time and time again to do little or no good in the regulating process.
If it worked, double rifle builders and regulators would be doing it.

I'll let someone else elaborate, (or just take a look at this quick thread from another site) but for brevity I'll salute you for your thoughts and leave you with the news that there's much more to it than you are assuming.




Cheers
Tinker

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Originally posted by KY Jim:
Hey, y'all, just had a thought. Why can't we take some sort of chambered Laser Boresighter like they make for smaller, common rifle cartridges, combine it with some sort of target inserted in the muzzles, and use this to regulate a double rifle instead of blowing off all that EXPENSIVE ammo? I mean, we use this same basic setup to lay natural gas pipelines, oil pipelines, building foundations, etc., why not use Modern Technology? You could use the laser to do the primary fitting of the lumps,ribs,etc, then fire just a few shots to Verify. With Practice, a smith would soon get to where he could do the Final Soldering/Fitting without firing a shot, then two or three rounds per side to Verify. Yes, I KNOW it's TRADITION to do the Trial and Error method, but it's an EXPENSIVE Tradition, making good-quality DR's Unaffordable for all the Perpetual Small Boys like ME. I'm not asking Why WON'T we try this, I'm asking Why DON'T we try this? If it works, call it the Nickles Method of Regulation, after ME.
KY Jim

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My first question is how would you align the barrels? exactly parallel, or converging, and to what degree?

The S/S double rifle works by it’s own rules, and those rules are entirely different from a single barreled rifle. I will try to explain, but to most who shoot double rifle for any length of time this is simply a repetition of info they have known , and seen in print form me for some years.

First, the S/S double rifle especially must be allowed to go through its recoil arch as when held in the shooter’s hands. The S/S double rifle should touch nothing other than the shooters’ hands, face, and shoulder. NEVER rested directly on the sand bags, or anything else. This is because the barrels have to recoil in a certain way to shoot regulation. This is because the barrels are soldered to have the line of sight from each barrel look at a different place on the target when the sights are aligned on the target before the triggers are pulled.

If you take the barrel set off your rifle, and clamp the lumps in a padded vice, with the front sight pointing to the bottom 6 o’clock on the bottom of the bull’s eye. Now place an empty case in each chamber,, with the primer removed or in your case a laser pointer. Look through the primer hole in the empty case or the spot on the target by the laser, and note where that barrel is pointed on the target in relation to where the sights are pointing. Here you will see that the RIGHT barrel will be looking at a point on the target that is LOW, and on the LEFT of the point of aim with the sights. The LEFT barrel will be looking at a point that is LOW, and RIGHT of the aiming point. This SEEMINGLY says that the barrels shots will CROSS, but that is not the case.

The barrels have to be soldered with the "LINE OF SIGHTS" crossing, but the bullets do NOT cross at any distance. A thing called BARREL TIME causes this!

Barrel time is the time the bullets are traveling down the bores of the barrels before they exit the muzzles. If the load is proper for the regulation built into the rifle, the bullet from the RIGHT barrel will hit the target just RIGHT of the point of aim, and the bullet from the LEFT barrel will hit the target just LEFT of the point of aim. This because when a S/S double rifle is fired the barrel being fired recoils UP, and AWAY from the other barrel. This is the reason the recoil arch must not be modified by placing the rifle in anything that restricts the natural recoil arches of the barrels. Things like a LEAD SLED. The Lead Sled and some other devices that restrict the UP and to the SIDE motion of the double rifle under recoil, tends to place a lot of strain on the wrist area of the butt stock, especially if the rifle has a sharp recoil, can not only effect the regulation, but in fact break the stock in the wrist area. If barrels are aligned parallel, the rifle will shoot very wide.

There is one thing you may not have thought of, your pipeline doesn't move while the oil is moving down the tube! sort of like a hose stretched out straight, will whip one way or the other when pressure is turned on. The double rifle barrels also move so that when the bullet exits the muzzle, the barrel is no longer pointed where it was when the sights were aligned on the target, and the trigger pulled. Believe me every thing you can think of has been tried, and it has been found that the trial and error is the only way that works. It has nothing to do with tredition, just what works, and what doesn't!

...............Good shooting and welcome to the DRSS! The fun is just begining!

............ ....................


....Mac >>>===(x)===>
MacD37, ...and DUGABOY1
http://www.DoubleRifleShootersSociety.com
"If I die today, I've had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"

DOUBLE RIFLE SHOOTER'S SOCIETY
Hands of Old Elmer Keith

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I wonder what thr routine is for a drilling?
TC

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there is not problem with a drilling that has two shot barrels, and one rifle barrel below! The laser will work there because the drilling is simply a single barrel rifle that happens to have two shot barrels on either side and above the rifle barrel. You simply solder the shot barrels together so that the patterns over lap each other then solder the wedges on the rifle barrel so that it point to the center of the pattern but a little low of center. Then mount the sights and cut them to print the rifle where you want it at 100 yds, and hold over for longer range as you would on any single barrel rifle. The single barrel being in the middle of the firearm, it recoils back, and up only, so all one has to do is cut the sights. no regulation of barrels are needed. The same pertains to an O/U combination shotgun, and rifle!

Double rifles are a whole ball of wax unto it's self, and requires a regulator who knows what he is doing. This is why you need to always take a double rifle to a double rifle smith. Most single barrel shooters simply do not understand how a double rifle works, and 99% of the gun smiths know even less about them. However that fact doesn't hinder everyone haveing an opinion about how they work, even if 90% of them are wrong.

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..........Mac >>>===(x)===>
DUGABOY1, and MacD37 founding member of DRSS www.doublerifleshooterssociety.com
"If I die today, I have had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"

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I will never in my life be able to afford a "real" double. I would die and go to heaven if I could go hunting with an actual Rigby, but that will probably never happen. This is just something I had in mind as a project. I love to tinker with stuff. I am fully aware of the risks of building this type of weapon. That is why I will fully do all of my homework before I act on it.

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