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4000 fps in a 7mm STW w/140 Bullet?

 
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  #57  
Old 03-16-2013, 09:37 PM
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Re: 4000 fps in a 7mm STW w/140 Bullet?

Now that's, a heavy barrel!

Rupe
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  #58  
Old 03-17-2013, 02:21 PM
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Re: 4000 fps in a 7mm STW w/140 Bullet?

Quote:
Originally Posted by Bart B View Post
That's 65,000,000+ psi ;)

Those extra zeros means the barrel's gotta be at least half a mile thick around the chamber.
gotta actually be awake when I post I guess- meant 65 KPSI- good catch.
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  #59  
Old 03-17-2013, 06:39 PM
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Re: 4000 fps in a 7mm STW w/140 Bullet?

Quote:
Originally Posted by Bart B View Post
That's 65,000,000+ psi ;)

Those extra zeros means the barrel's gotta be at least half a mile thick around the chamber.
I think a few of our friends here shooting 7 rem's might be over 100 KPSI with some of their stuff. A hammer is not an acceptable tool for opening a bolt even when it says MAG. on the side of the barrel.
I think you would have a tough time getting any lead core bullet to survive 65,000 KPSI; it'd take a low friction monolithic of some sort.
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