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Hunting
Long Range Hunting & Shooting
Energy or bullet diameter most important?
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<blockquote data-quote="RockyMtnMT" data-source="post: 1235048" data-attributes="member: 7999"><p>I think energy is a nice number to look at as part of the total equation to determine if you are using enough "gun". Energy alone is an arbitrary number.</p><p></p><p>Energy "dump" into an animal is a physics wives tale. To have a bullet end up in the far side hide would mean that it has to slow down enough while inside the animal to stop just before exiting. The slower that bullet gets while inside the animal the less damage it does. To predictably have a bullet stop on the far side you would have to determine the impact velocity needed and never have that velocity vary due to different distance of shot. Think about the total energy of a bullet hitting the animal with no penetration. The animal would literally walk away with no ill effect. I can shoot a steel target with huge energy and it will cause it to swing a few inches. I can push that same target with one finger and create a larger swing. There is no such thing as knock down power. Myth Busters did an episode on that very subject and proved that it does not exist.</p><p></p><p>Bullets kill by tearing soft tissue in order to cause hemorrhage or by interrupting the central nervous system via the brain or spinal cord. The cns stops by loss of blood or physical damage.</p><p></p><p>Simply put the best most predictable way to kill an animal is to put a large permanent wound channel completely through the animals vital organs.</p><p></p><p>In my opinion the bigger displacement is more important in the total equation.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1235048, member: 7999"] I think energy is a nice number to look at as part of the total equation to determine if you are using enough "gun". Energy alone is an arbitrary number. Energy "dump" into an animal is a physics wives tale. To have a bullet end up in the far side hide would mean that it has to slow down enough while inside the animal to stop just before exiting. The slower that bullet gets while inside the animal the less damage it does. To predictably have a bullet stop on the far side you would have to determine the impact velocity needed and never have that velocity vary due to different distance of shot. Think about the total energy of a bullet hitting the animal with no penetration. The animal would literally walk away with no ill effect. I can shoot a steel target with huge energy and it will cause it to swing a few inches. I can push that same target with one finger and create a larger swing. There is no such thing as knock down power. Myth Busters did an episode on that very subject and proved that it does not exist. Bullets kill by tearing soft tissue in order to cause hemorrhage or by interrupting the central nervous system via the brain or spinal cord. The cns stops by loss of blood or physical damage. Simply put the best most predictable way to kill an animal is to put a large permanent wound channel completely through the animals vital organs. In my opinion the bigger displacement is more important in the total equation. Steve [/QUOTE]
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Energy or bullet diameter most important?
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