I have read the basic physics of double regulation. It all makes sense to me..now I want to know, does the basic regulation theory hold true for left handed shooters for double rifles?

If my education is true, a double regulated for right handers will.. when fired by a lefty, will put the right barrel to the left and high, the left barrel to the left also, but farther left than the right barrel.

Is this proper double physics? Or am I full of it?

Mark

quote:

Originally posted by m stevenson:
I have read the basic physics of double regulation. It all makes sense to me..now I want to know, does the basic regulation theory hold true for left handed shooters for double rifles?

If my education is true, a double regulated for right handers will.. when fired by a lefty, will put the right barrel to the left and high, the left barrel to the left also, but farther left than the right barrel.

Is this proper double physics? Or am I full of it?

Mark

Mark, I wouldn't go so far as to say you are full of it, but simply incorrect!

First off, lets get a popular misconception out of the way! A double rifle's barrels are NOT regulated to hit the same point at any pertitular range! When you see the phrase regulated for X number of yards, that only means the sights are regulated (cut) for dead on at that range. The barrels are regulated to shoot paralell,with a proper load, no matter the range!

A right-hand double is regulated simply to fire the right barrel first (front trigger) and as long as it is fired that way, shooting it by a left handed person doesn't make any difference. If however the rifle is made as a LEFT-HAND double the triggers are reversed, with the front trigger fireing the left barrel, and the back trigger fireing the left barrel. The rifle is fired LFT, RT, LFT, RT by the regulator, while doing the soldering up of the barrel set! A change in the order of fire will sometimes effect the regulation, but not allways. This is only important if one is shooting at longer range. In a close encounter, it makes little, if any difference, because both barrels will be shooting POI at 15 yds or under, no matter the sequince!

You being a lefty, you still need to fire a right handed double in the RT,LFT,RT,LFT sequince if you want the rifle to shoot to the sights down range, with the down range flip-ups! This is because the first barrel fired heats very quickly from ambient temprature, to hot. This effects the other barrel as they are tied together, This heat sets up the next shot from the left barrel, for down range accuracy. Really it isn't that critical, except at small targets down range past 75, or 100 yds, like say on an impala. On a follow-up shot on a Buffalo, I think most rifles will be close enough to do the proper damage to the hind end of a fleeing buffalo!

M Stevensen,

I am a lefty and my DR is - was - a righty. It remains front trigger right barrel.

I anticipated that my rifle would print the right barrel left and down for me compared to a righty. This because my body and cheek would constrain recoil both up and to the right more than one would think a righty's body and cheek would. Likewise, I expected the lefty barrel to print to the right and up for me compared to a righty for the same - but opposite - reasons.

In practice there was no noticeable difference shooting off a standing bench me then my gunsmith and so forth.

JPK

Mac, I'm sorry I wasn't more clear in my post.

I do understand that a double's regulated to shoot parallel to infinity. What I referred to (and obviously not well ) was POI change for the same barrel respectivly compared between right hand and left hand shooters.

What I was referring to...and correct me if I'm wrong or over thinking this, a gun (any gun) recoils around or away from the point of contact with the shooter's body.

So, for a right handed shooter, a rifle will recoil up and to the right.
Up, due to the drop in the stock (the barrel's centerline is above the center of the butt)

And to the right, due to the recoil rotating the body to the right because the gun is fired from the right shoulder and not from the center of the chest (or body center)


A left hander will have the rifle rotate up and to the left, again due to the body rotating left off the left shoulder.

There are a few other factors in this (right barrel farther from body center, for a righty) and (left barrel farther from body center for a lefty)


Now as JPK says his rifle didn't show any noticable difference in POI so I guess if anything it's just mental gymnastics.

Thanks for your replies and patience.

Mark

quote:

Originally posted by m stevenson:
What I referred to (and obviously not well ) was POI change for the same barrel respectivly compared between right hand and left hand shooters.

The POI could change between two right handed shooters, as well, but it isn't enough to worry about!

quote:

What I was referring to...and correct me if I'm wrong or over thinking this, a gun (any gun) recoils around or away from the point of contact with the shooter's body.

So, for a right handed shooter, a rifle will recoil up and to the right. A left hander will have the rifle rotate up and to the left, again due to the body rotating left off the left shoulder.

This depends which barrel you are fireing! The right barrel always recoils up and to the right, because it is on the right side of the rifles centerline, and naturally recoils away fron the other barrel. The left barrel always recoils UP, and to the LEFT, away from the right barrel, because it is left of the RIFLE's center line. I suppose there could be some change in effect, between a left, and right handed shooter, but I doubt it will be much.

quote:

Now as JPK says his rifle didn't show any noticable difference in POI so I guess if anything it's just mental gymnastics.

Thanks for your replies and patience.

Mark

] I have one son who shoots left handed, and my wife shoots left handed, and both shoot my double rifles with no apreciable change in POI on the target. IMO the only thing that destroys regulation, and/or POI on the target is the riffle being rested on sand bags withouth the fore hand holding the rifle durring recoil, or resting it against a hard surface. I've noticed little difference between right and left hand shooters on my doubles, except when the rifle has a large amount of cast off, or cast on in the stock. None of my double rifle has cast off, and only one shotgun has cast off. With that shotgun my left hand shooting son cannot shoot that shot gun at all, and hit anything! So I suppose in the cast of a cast off right hand rifle, it would deffinetly change the POI with a left hand shooter shooting it, but IMO, all the reasons are with the rifle it's self, rather than the shooter's right or left hand body involvment.

This might be a good thing to wring out at a range one of these days. I don't know if there are any lefties that will be at the DRSS hunt in June, but if there are, we may do some experimenting!

Thanks Mac, so it appears to be more theoretical than practical.

I appreciate your response.
If I lived closer to Texas than where I live I'd love to come and see the fun at the DRSS hunt.

Mark