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Long Range Hunting & Shooting
Terminal Energy Required to Kill Game
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<blockquote data-quote="jwp475" data-source="post: 202448" data-attributes="member: 3776"><p>No need to help me out with out the kinetic energy there would b e no force for acceleration, but kinetic energy is not what is transferred to the tissue, momentum is. Why is this important? Example I have a 230 grain flat point hard cast bullet that achieves 1338 FPS out of my 4" M-57 for 914 FPE. I have a 440 grain flat point hard cast that achieve 950 FPS out of my 500 JRH that makes 882 FPE. Judging by the FPE would would assume that the 41 has the edge and would also assume that the wound channels would be larger for the 41 since it has more energy, right. No the larger wound is inflicted by the 500 as well as the most penetration. Why, because the 500 has the edge in the area of direct applied force as well as momentum...That is one of the reasons that predicting the wounding effects of a cartridge using kinetic energy is flawed. If one is comparing the same calibers with equal projectiles and the velocity is increased therefore producing more FPE then yes FPE will rank the wounding effect in the proper order</p></blockquote><p></p>
[QUOTE="jwp475, post: 202448, member: 3776"] No need to help me out with out the kinetic energy there would b e no force for acceleration, but kinetic energy is not what is transferred to the tissue, momentum is. Why is this important? Example I have a 230 grain flat point hard cast bullet that achieves 1338 FPS out of my 4" M-57 for 914 FPE. I have a 440 grain flat point hard cast that achieve 950 FPS out of my 500 JRH that makes 882 FPE. Judging by the FPE would would assume that the 41 has the edge and would also assume that the wound channels would be larger for the 41 since it has more energy, right. No the larger wound is inflicted by the 500 as well as the most penetration. Why, because the 500 has the edge in the area of direct applied force as well as momentum...That is one of the reasons that predicting the wounding effects of a cartridge using kinetic energy is flawed. If one is comparing the same calibers with equal projectiles and the velocity is increased therefore producing more FPE then yes FPE will rank the wounding effect in the proper order [/QUOTE]
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Terminal Energy Required to Kill Game
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