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Opposite rifleing for south of equator...

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28 March 2002, 03:56
<coon>
Opposite rifleing for south of equator...
As stated earlier, I've just joined this forum. Its the humor I like most. I like cracking jokes and as my wife knows am "un-serious" 95% of the time. So seeing you guys make fun of OVERKILL, I thought I'd give him a break and let you make fun of me.

As most will know when you flush a toilet here in Northern Hemisphere the water swirls counter-clockwise. When you get into the Southern Hemishphere it will go the opposite "clockwise".

I'm proposing building up some rifles that mirrors the rifleing of Northern Hemisphere. It will cause the bullet to spin opposite of what it does here in North America. This does create some ?'s no doubt. I will only be able to test fire in Southern Hemisphere to see if it truly works? Maybe the recoil will be opposite too... and the T-Rex cartridge will be like shooting a .22, or maybe the recoil would be the some odd thousand FP's the rifle generates which would necessitate mounting the rifle on a tank...

Off course this is all in planning stages now and tooling will be hefty - price wise- Maybe I can get a goverment grant to cover it...

I'm also thinking about building a 50 BMG barrel for the Contender type pistols (the ones with interchangeable barrels). I could use the .223 for short distances at prairie dogs and the 50 BMG cartdrige for the longer shots. I would weld 2 log chains to barrel to control muzzle flip. These would then be interlaced with my shoelaces. With the posibiliy of also running them through my belt loops. Do they make a "long eye releif" mil-dot scope? Anyway I think I'm going to put one of those soft rubbery sponge like eye savers on the scope just in case.

Thanks for the laughs

coon

28 March 2002, 04:47
Saeed
coon,

The year before last, we were in Zimbabwe, and as it is normal for us, we take every opportunity to play some nasty tricks on each other.

Walter had a GPS receiver, and we "borrowed" it from him while he was asleep.

We renamed a number of his waypoints.

When we were out of camp, we asked him how far we were from the camp.

Roy: " Walter, how far are we from the camp now?"

Walter: "I will tell you pronto!"

Walter kept twiddling with his GPS, and not finding any reasonable answer, he kept scratching his head.

Me: "You broke the GPS again!"
Walter: "No I haven't! I just cannot get it to read properly."

Roy: "What readings are you getting?"
Walter: "It says we are 6289 kilometers from camp!"

Me: "I told you he broke it! That is what he usually does! Breaks every bloody thing you give him! Alright, how far are we from your house in Dubai?"

Walter: "This thing is screwed up! It says 47 kilometers!"

Me:"Walter, did you reset your GPS when you got here?"

Walter: "No, why should I reset it?"

Me:" You dumb nitwit! You are SOUTH of the equator now, and your GPS was set NORTH of the equator! Of course you should reset it"

Walter, looking at Roy, "Is what he says true?"

Roy: "Of course he is right! Didn't you know that? What the hell did they teach you at school in your geography lessons?"

------------------
saeed@ emirates.net.ae

www.accuratereloading.com

28 March 2002, 05:11
Nickudu
I'd might add to this engrossing diatribe by mentioning that, whenever Ray is in Africa and has any sort of problem, he always says:
"Things sure went North in a hurry today".
28 March 2002, 20:05
500nitro
Coon,
lets look at your problem logically.
Effectively when you are in the Nortern hemisphere you are standing facing North, and the southern hemishpere is the opposite. ie. you are standing upside down, right?
So a quick fix would be to bend down with your rump to the target, rifle between your legs...........
the recoil thing has me a bit bothered though
28 March 2002, 22:07
<Deafdog>
Hey Coon
You don't need special rifling for the Southern hemisphere.

All you do is get your barrel from the Northern Hemisphere and chamber the muzzle end and crown the other end after you cut off the threads and northern chamber.

Then the bullet will spin the other way.

Should fix any recoil too.

Regards
Deafdog

------------------
deafdog@turboweb.net.au
http://deafdog.turboweb.net.au

29 March 2002, 02:41
<Norbert>
Hey Coon,

I like humor, but here you mentioned in fact a real problem.
The opposite water squirls are caused by the Coriolis Force. And this has also an effect on the bullets path. The point of impact will differ about a few hundreth of an inch at 100 yards.

But another question: What is the difference in point of impact shooting west or shooting east near the equator?

29 March 2002, 03:30
<coon>
That's a good ? Norbert. And I assume someone working in heavy artillery in the military might have an answer. I would think firing miles away would come into more of a problem than firing 4-5 hundred yards away.

I have seen guys putting in pasture fence that stated they have to move the east/west fence so many feet north/south every mile to account for the curvature of earth.

Thanks

29 March 2002, 15:25
John Ricks
I am working on a special Equatorial rifle now that has zero twist to the rifling. Main use is shooting Hippo on the Equator, so when you are shooting straight ahead out of the dugout you will not have any torque generated by the rifling, that may tip the dugout over. As soon as the patent is approved I will start production.
02 April 2002, 06:57
Recono
quote:
Originally posted by John Ricks:
I am working on a special Equatorial rifle now that has zero twist to the rifling. Main use is shooting Hippo on the Equator, so when you are shooting straight ahead out of the dugout you will not have any torque generated by the rifling, that may tip the dugout over. As soon as the patent is approved I will start production.


Sounds like a good idea to me, but would you expect better than shotgun patterns?

02 April 2002, 10:26
Wachtel
What about shots fired on targets on either side of the boat? I would recommend to mount the rifle on a rig in the canoe so shots can only be fired straight ahead, This has been tried with success before; the old "water-fowl cannons" of yester-years. Than all you'd have to worry about would be to keep the boat on an east-westerly line
02 April 2002, 10:34
Sheister
Yeah, sure, boats can be outfitted with outriggers, barrels can be twisted any direction, and recoil can be tamed with reverse osmosis pads, but has anyone thought to check if the bullet manufacturers have tested their bullets expansion factors with a counter-clockwise rotation?
And even more importantly, has anyone considered if reverse rifled barrelled guns are legal to import into equatorial or southern hemisphere countries? Would a gunsmith need a special license to create these rifles without a special BATF inspection and paperwork? Geez, talk about overlooking the obvious! - Sheister
02 April 2002, 13:50
D Humbarger
Quite worrying yourself to death over this phenomenon. Just shoot a smooth bore & let the earths natural forces take over.

Doug

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NRA Life member

03 April 2002, 00:52
<Overkilll>
Sumbubby who knows........
30 April 2002, 01:40
Bad Ass Wallace
G'day Coon,

Well I live in the Southern Hemisphere and I can assure you that such will NOT work !!

The correct proceedure is quite simple, use a standard barrel with the following exception. Seat the primer back to front so that the flash bounces of the bolt face and travels up beside the brass cartridge back passed the projectile and ignites the powder from the front.

Of course you have to sized your 340 Weatherby cases in a 30.06 die to have enough air space for this to happen but it does work !!!


30 April 2002, 04:46
<Don Martin29>
Just a serious note but in good humour. The correct twist for the Northern Hemisphere is a left twist and the British SMLE .303's had a left twist for that reason. So did my P-17 Enfield in 30/06.
30 April 2002, 04:51
Recono
quote:
Originally posted by Don Martin29:
Just a serious note but in good humour. The correct twist for the Northern Hemisphere is a left twist and the British SMLE .303's had a left twist for that reason. So did my P-17 Enfield in 30/06.


Close (which counts only in horseshoes, hand grenades, & Hiroshima). The SMLE actually had a left twist for the same reason that the Brits drive on the wrong side of the road - to spite the French!

30 April 2002, 20:05
HiWall
If you change the direction of the rifling twist do you have to change the direction of the barrel/action threads. Maybe shooting it would screw the barrel right out of the action.
05 May 2002, 18:46
Jeff Alexander
quote:
Originally posted by HiWall:
If you change the direction of the rifling twist do you have to change the direction of the barrel/action threads. Maybe shooting it would screw the barrel right out of the action.

Not a problem. Just use some JB Weld or Superglue to glue the barrel in - we don't need no stinkin' threads.

07 May 2002, 11:31
Atkinson
Ok, now I got it!! Thats why so many of my hunters shoot at the head and hit them in the a$$....

------------------
Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

01 July 2002, 18:14
Bad Ass Wallace
A bloke asked me one day if I was a crack shot?

I said I used to be but with lots of practice I can now hit em in the head!! even using a left twist barrel.
02 July 2002, 08:47
<eldeguello>
Rather than cut off the threads, northern chamber, and crown the breech, you can achieve the same result merely by loading the bullets into the cases point-first, with the bases foremost..... This way, they will indeed rotate in the opposite direction.
08 July 2002, 09:31
oddballshooters
Coon why don't you have a custom barrel maker make you a progressive twist barrel that switchs from left to right at the middle then you can have the best of both wolds
13 July 2002, 11:53
oddballshooters
Coon when you get that barrel bring it to the shop and we will thread and chamber both ends and make an ear destroyer {muzzle break} and you can reverse it as needed for each location. You will be set for life. Also we can make it in my special house cartridge line.
13 July 2002, 15:26
bearhunt'r
quote:
Originally posted by Eric Gibson:
A bloke asked me one day if I was a crack shot?

I said I used to be but with lots of practice I can now hit em in the head!! even using a left twist barrel.

Sir,
You kill me! [Big Grin]
best,
bhtr
13 July 2002, 15:30
bearhunt'r
quote:
Originally posted by Atkinson:
Ok, now I got it!! Thats why so many of my hunters shoot at the head and hit them in the a$$....


Ray,
You just siply have to refrain from booking all of those Texans! They do like the heart shot!
[Wink]

best,
bhtr