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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet rotation vs velocity
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<blockquote data-quote="Buffalobob" data-source="post: 221454" data-attributes="member: 8"><p>One of the more interesting features of killing animals is the energy of deformation. That is not normally a really big issue except it is important to consider when you shoot at marginal ranges as I often do. It is one of the reasons a hard cast bullet will penetrate so well. They have no energy losses from deformation so the momentum remains high. I never bother to calculate spin when I decide to calculate what the maximum range of my rifle is. </p><p></p><p>The question on the table is if you take a 45 caliber muzzle loader and shoot a 120 pound white tail deer with a round ball will the round ball expand more if it has a higher RPM when it hits the deer.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 221454, member: 8"] One of the more interesting features of killing animals is the energy of deformation. That is not normally a really big issue except it is important to consider when you shoot at marginal ranges as I often do. It is one of the reasons a hard cast bullet will penetrate so well. They have no energy losses from deformation so the momentum remains high. I never bother to calculate spin when I decide to calculate what the maximum range of my rifle is. The question on the table is if you take a 45 caliber muzzle loader and shoot a 120 pound white tail deer with a round ball will the round ball expand more if it has a higher RPM when it hits the deer. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet rotation vs velocity
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