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What is the fastest cartridge?

 
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  #1  
Old 11-18-2003, 10:16 AM
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Location: DFW Texas
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What is the fastest cartridge?

Wildcat, factory or whatever. What is the fastest cartridge in the world? I know there are some velocities in the 4000's but how fast is the fastest? Bullet size does not matter, simply speed. Just curious, not interest in building one.

Kyle

Lets keep it civilian rifle.

[ 11-18-2003: Message edited by: 5Redman8 ]
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  #2  
Old 11-18-2003, 10:27 AM
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Re: What is the fastest cartridge?

Kyle, you will have to do some research into hyper velocity projectiles. I just saw a test and if correct, they were launching their projectile at around 12000fps.

Was set up on a rail in the desert, rocket propelled and traveled several miles of track in seconds. On impact, there just wasn't a heck of a lot of anything left.

don't have more details then that but the US govt holds the record for sure.

Rifle cartridges will probably top out around 4700fps since that is the speed of expansion of the burning powder. Again, I could be off on my numbers but whatever that speed is, will be the max. You can't go faster then the force accelerating you.

Jerry
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Old 11-18-2003, 01:03 PM
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Re: What is the fastest cartridge?

Looked up the PO Ackley entry and he recorded 4,600fps with the 22 Eargesplitten Loudenboomer. It was then shipped to Mr. Hutton who ordered the rifle. Ackley suspected Hutton would surpass this velocity but I can't find info on his tests.

Cool stuff,
Kyle
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Old 11-18-2003, 01:24 PM
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Re: What is the fastest cartridge?

mach V is rather easy to reach with sabot

22 bullet ( solid bullet as Barnes in sabot 30 cal with 300 wea or better 300 RUM

30 cal bullet on 50 cal sabot

velocity over mach V is very hard to get with conventional barrel/cartridge

good shooting

DAN TEC
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  #5  
Old 11-18-2003, 02:50 PM
 
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Re: What is the fastest cartridge?

I get a measured 4280 FPS with my 22 CHeetah MK 1 and a 52 grain bullet, with accuracy. A few of the guys from this board saw last summer how it dispatches woodchucks to 675 yards. Quite a few of the hits where, "Caught on Tape".

I use the "classic" load of 44gr of IMR 4064 and a CCI-BR2 primer. I use 243 brass versus 308BR brass so I can use the large primer.

Don
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  #6  
Old 11-18-2003, 07:44 PM
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Re: What is the fastest cartridge?

If outer space shots count then there is one more that is the fastest. I think that is was just over 25,000 fps. It was in popular sience a while back.

Ray
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  #7  
Old 11-18-2003, 09:14 PM
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Re: What is the fastest cartridge?

Thought that Weatherby, on some earlier tests performed for the US military, using 300 Weatherby mag or 378 Weatherby mag brass, necked down to 22 cal., pushed bullets beyond 5000 or possibly 6000 fps. Heard that at that time they had problems with bullets holding together. Have also heard of 50 BMG brass necked down to 30 Cal. The rifle at that time was called "America" or American, or something like that. That was in the mid to late 80's. Still have the pictures of it in my head.
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