At 08:11 AM 8/22/02 -0700, Mike Rosing wrote:
It sounds like it's just an MHD instability. The shaped charge of the RPG
The specific heat of Cu is <blah> heat of vaporization is <blah> and the melting point is <blah> and the metal is already liquid. The metal is <blah> grams of liquid Cu so how many joules does it take to vaporize it? And, where does the momentum of <blah> grams x <blah-thousand> m/sec go? Also, just out of curiousity, what are the health effects of finely dispersed Cu oxide ? Does anyone make liners out of DU? Yummy.
On Thu, 22 Aug 2002, Major Variola (ret) wrote:
The specific heat of Cu is <blah> heat of vaporization is <blah> and the
melting point is <blah> and the metal is already liquid. The metal is <blah> grams of liquid Cu so how many joules does it take to vaporize it?
A hell of a lot more than it takes to just make it squirm.
And, where does the momentum of <blah> grams x <blah-thousand> m/sec go?
According to the article it leaves dents. So instead of a focused blast puncturing a hole, it gets splayed out all over the place.
Also, just out of curiousity, what are the health effects of finely dispersed Cu oxide ? Does anyone make liners out of DU? Yummy.
Yeah, that's what makes the RPG a useful weapon now, isn't it. U238 shells do similar things, but it's the chemical reaction with the steel that's the suprise. the gassious U238 and steel inside the tank is the major nastyness. While I admit this is fun, I think we're kinda off topic :-) Patience, persistence, truth, Dr. mike
On Thursday 22 August 2002 14:26, Mike Rosing wrote:
On Thu, 22 Aug 2002, Major Variola (ret) wrote:
The specific heat of Cu is <blah> heat of vaporization is <blah> and the ... And, where does the momentum of <blah> grams x <blah-thousand> m/sec go?
According to the article it leaves dents. So instead of a focused blast puncturing a hole, it gets splayed out all over the place.
Also, just out of curiousity, what are the health effects of finely dispersed Cu oxide ? Does anyone make liners out of DU? Yummy.
Steven denBeste (the captain of U.S.S. Clueless) discussed anti-tank weapons and anti-anti-tank defenses at http://denbeste.nu/cd_log_entries/2002/08/MoreontheT-72.shtml . The HEAT discussion applies to RPGs. It doesn't answer all of Major Variola's questions, but gives a conceptual overview without the math. Note: Although denBeste generally writes good essays on the technical subjects he covers, he's been known to make omissions and errors. As with everything on the net, read with a grain of salt. -- Steve Furlong Computer Condottiere Have GNU, Will Travel Vote Idiotarian --- it's easier than thinking
participants (3)
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Major Variola (ret) -
Mike Rosing -
Steve Furlong