Talk:.460 Weatherby Magnum

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1 Merge
2 WPMILHIST
3 Trivia section yanked

[edit] Merge

The pages .460 Weatherby, and .460 Weatherby Magnum are about the same cartridge, they need to be merged. Klauth 08:32, 6 June 2006 (UTC)

[edit] WPMILHIST

This tagged has been removed due to this item being primarily a non-military related article.--Oldwildbill 12:30, 8 July 2006 (UTC)

[edit] Trivia section yanked

I yanked the Trivia section for two reasons. One it is not in conformity to the WikiProject Firearms which sights in the Guidelines “Avoid pop culture and trivia sections.” Two, the trivia section had some vary dubious information, not sighted and was written from a non-Neutral Point Of View.

I decided to transfer the trivia section back to this talk page from a word processing document as a matter of civility.

I rewrote the article on the .378 Weatherby Magnum per the ammunition stub for expounded subject matter. I have sighted as much as possible with footnotes. I think that should put the trivia section to rest.

If there is substantial protest I can repaste the trivia section back to the main page. If someone thinks that there is critical information within the trivia section I can research it and put it into the body of work.

Greg Glover 02:38, 2 April 2007 (UTC)

The .460 Weatherby Magnum was developed after professional guides and hunters in Africa loyal to Remington and Winchester successfully lobbied local governments to ban cartridges under .40 caliber for elephant hunting. This was done with the intent to keep Weatherby out of the market.[citation needed] Weatherby responded by upgrading the .378 Weatherby Magnum into the .460.
The .460 Weatherby Magnum can develop over 8,000 foot pounds of energy at the muzzle.
The wildcat .475 A & M Magnum which develops over 13558 J (10,000 ft • lbf) of energy at the muzzle is a .460 Weatherby Magnum necked up to accommodate a 12 mm (.475 in) bullet.
The .460 Weatherby Magnum is another one of Roy Weatherby's double radius belted magnum designs. The belt originally was designed to simulate the positive headspacing of British rimmed cartridges,[citation needed] but still function through a magazine. The .460 Weatherby Magnum has become a symbol of a "magnum" or high velocity and high power, load. The belted design is hypothetically an inferior design to a cartridge that headspaces on the shoulder of the case, resulting in a lesser degree of accuracy. But when considering the purpose of this cartridge and the proximity to the game when hunted, MOA accuracy is of little concern.
In Peter Hathaway Capstick's novel Death in the Silent Places, he details an event where a client quickly and repeatedly fires a .460 at a charging lion. The man's nose begins to bleed after the second shot.

The above statement concerning the .475 A&M Magnum in the Trivia section originally appeared in P.O. Ackley’s book; Volume I, Handbook for Shooters and Reloaders, pg 504. In which Parker wrote, “Gunmakers who claim they are making America’s most powerful rifles had better take a look at the almost 10,000 lbs muzzle energy of the 500 grain .475 bullet.” Without rewriting much of the book, Parker was taking a veiled shoot at Roy Weatherby (whom he truly despised) and his .460 Weatherby Magnum. The above quote, in one form or another can be found on any number of web sites.

The fact is the 475 A&M Magnum can only produce around 8700 ft·lbf from a 26 in long barrel. To reach the 9,900 ft • lb_f muzzle energy range, which is “...almost 10,000 lbs...”, you must use a minium 38 in barrel.

The above computation was found using Le Duc’s Equation, Given: a maximum SAAMI working pressure for the parent case (.378 Weatherby Magnum) of 55,152 CUP maximum average; bullet weight of 500 gr; muzzle velocity of 2800 ft/s (suspect) and barrel length of 26 in. All velocities for wildcat cartridges including the 475 A&M Magnum were based either on a ballistics pendulum or an estimate and are highly suspect. Volume I was published in 1962 and Volume II was published in 1966. No electronic chronographs were available to the general public that I am a wear at that time. I have never read or found that the (long defunct) Atkinson and Marqurat Rifle Company had there cartridge commercially tested. The 475 A&M Magnum as far as I know was never adopted by the Sporting Arms Ammunition Manufacturers Institute (SAAMI) or Commission Internationale Permanente (CIP). Greg Glover 00:12, 3 April 2007 (UTC)