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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rifle Cartridge Efficiency Formula
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<blockquote data-quote="MagnumManiac" data-source="post: 979686" data-attributes="member: 10755"><p>The reason why not is far simpler than the reason you can take all of those parameters into consideration for one formula.</p><p>One, BC is an external ballistics parameter, two, SD is a terminal ballistics parameter which doesn't use the BC of a bullet, or in other words, it's construction and shape or it's velocity to come to a figure of any significance, 3, velocity alone means little, 4 weight alone also means little, 5, the powder charge means little, 6, the recoil is just a fact of life and 7, Taylors Knockout index is also flawed because it bases it's figures on weight and bullet diameter to knockout an elephant from any angle, there are many cartridges that will kill far better than what the Taylor index would suggest.</p><p></p><p>I really don't know what you are looking to discover, but there are already in place many DIFFERENT formula's out there that calculate myriad aspects of ballistics, of which there are 3 distinct different aspects of ballistics, 1, internal ballistics, from cartridge ignition to bullet exit, 2 external ballistics, bullet flight, and 3, terminal ballistics, from bullet impact in a medium to bullet stop and what that bullet does.</p><p></p><p>Hope this answers some questions for you, if not, good luck finding an answer, if you do find a formula, please let us know. I would be interested in reading it.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 979686, member: 10755"] The reason why not is far simpler than the reason you can take all of those parameters into consideration for one formula. One, BC is an external ballistics parameter, two, SD is a terminal ballistics parameter which doesn't use the BC of a bullet, or in other words, it's construction and shape or it's velocity to come to a figure of any significance, 3, velocity alone means little, 4 weight alone also means little, 5, the powder charge means little, 6, the recoil is just a fact of life and 7, Taylors Knockout index is also flawed because it bases it's figures on weight and bullet diameter to knockout an elephant from any angle, there are many cartridges that will kill far better than what the Taylor index would suggest. I really don't know what you are looking to discover, but there are already in place many DIFFERENT formula's out there that calculate myriad aspects of ballistics, of which there are 3 distinct different aspects of ballistics, 1, internal ballistics, from cartridge ignition to bullet exit, 2 external ballistics, bullet flight, and 3, terminal ballistics, from bullet impact in a medium to bullet stop and what that bullet does. Hope this answers some questions for you, if not, good luck finding an answer, if you do find a formula, please let us know. I would be interested in reading it. Cheers. gun) [/QUOTE]
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Rifle Cartridge Efficiency Formula
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