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RLI
.375 member

Reged: 01/10/03
Posts: 534
Loc: Victoria, Australia

Howdah .577 equal to what modern pistol cartridge?
#182915 - 31/05/11 02:50 PM

I know this is a handgun but being so close to a double rifle I thought it would be better here than the handgun forum..........just curious that some Howdah pistols used the 577 Snider? What modern cartridge gives comparable results?

cheers
Steve

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"Life is tough, but it's tougher when you're stupid." — John Wayne

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tinker
.416 member

Reged: 12/03/05
Posts: 4835
Loc: Nevada

Re: Howdah .577 equal to what modern pistol cartridge? [Re: RLI]
#182917 - 31/05/11 03:00 PM

If you could get rifle velocities out of the short pistol barrels you'd be in the neighborhood of mild S&W 500 territory with the 450gr bullet in the 1300fps range.

Cheers
Tinker

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--Self-Appointed Colonel, DRSS--

"It IS a dangerous game, and so named for a reason, and you can't play from the keyboard. " --Some Old Texan...

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Omnivorous_Bob
.333 member

Reged: 03/10/05
Posts: 286
Loc: Montana

Re: Howdah .577 equal to what modern pistol cartridge? [Re: tinker]
#182919 - 31/05/11 03:08 PM

RLI, with Fg I get about 605fps with 450s, around 760fps with FFg, from 7 inch barrels, so you could say its about twice the power of a 45 ACP (230 at ~800fps) with a LOT bigger hole.
Bob

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"If we're not supposed to eat animals, how come they're made out of meat?"

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DarylS
.700 member

Reged: 10/08/05
Posts: 27009
Loc: Beautiful British Columbia, Ca...

Re: Howdah .577 equal to what modern pistol cartridge? [Re: Omnivorous_Bob]
#182933 - 01/06/11 12:02 AM

Yeah - I'd estimates that on game, the 2F .577 Snider load Bob mentioned would have about the same effect at point blank range as perhaps a .44 mag. with solid lead 300's. the difference is whether the cavitation produced by the .44 mag, would outweigh the somewhat larger permanent cavity "likely" produced by the Howdah.-- it's all speculation.

If the Snider was loaded with round balls, it would have greater effect, (even though penetration would likely be less), due to the hemispherical shape of the ball acting more like a wad cutter & the attendent slightly higher velocity of the lighter ball. At very load speeds, bullet shape is very important. The pointy .577 bullet does not 'shine' in that regard. All this is simply speculation.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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