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Originally Posted by 481
" ... Using the Schwartz terminal ballistic model ...
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It should be noted that this method has not been verified by (or even submitted to, last I heard) a single peer-reviewed journal of physics or metrology. Schwartz' book is
self-published, and therefore doesn't have the authoritative weight of something reviewed and edited by a publisher of scientific works.
It may be 100% accurate, or it may be just the latest in a long line of "fad physics" testing methods, which later turn out to be hokkum dressed up in numbers.
I make no claim one way or the other, just to be clear. Schwartz' qualifications seem pretty consistent with at least having a clue, so it's a perspective worth consideration.
Even so, unproven methodologies should be viewed as "interesting perspectives" until such time as their claims have independent verification from qualified, disinterested parties.
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Originally Posted by 481
"... Rather than attempt an exhaustive comparison of all calibers and their respective bullet weights, I simply went with the 9mm and .45ACP FMJs that most of us typically find on the shelves in the big box stores.
If anyone wants a specific weight of a non-expanding design bullet put through the ringer (a penetration depth vs permanent crush mass chart), I'd be happy to do so ...
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I'd find it interesting to see a comparison between typical ball rounds used by the military ... NATO spec 124gr. 9mm @ ~1300fps vs. milspec 230gr .45ACP @ ~850fps