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Old September 26, 2012, 12:05 AM   #77
Frank Ettin
Join Date: November 23, 2005
Location: California - San Francisco
Posts: 8,745
Originally Posted by JohnKSa is not possible to say that kinetic energy does not cause damage since...
Perhaps something of an oversimplification, but as stated in In Defense of Self and Others... (Patrick, Urey W. and Hall, John C., Carolina Academic Press, 2010, pp. 95-96, italicized emphasis in original, bold emphasis added):
Kinetic energy does not wound. Temporary cavity does not wound. The much-discussed "shock" of bullet impact is a fable....The critical element in wounding effectiveness is penetration. The bullet must pass through the large blood-bearing organs and be of sufficient diameter to promote rapid bleeding....Given durable and reliable penetration, the only way to increase bullet effectiveness is to increase the severity of the wound by increasing the size of the hole made by the bullet....
And it is more precisely stated by Duncan McPherson (as quoted by 481 in post 67):
...Any attempt to derive the effect of bullet impact in tissue using energy relationships is ill advised and wrong because the problem cannot be analyzed that way...
"It is long been a principle of ours that one is no more armed because he has possession of a firearm than he is a musician because he owns a piano. There is no point in having a gun if you are not capable of using it skillfully." -- Jeff Cooper
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