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375-408 CheyTac (Kirby Alert!!!!!!) question
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<blockquote data-quote="Mountainsheep" data-source="post: 120269" data-attributes="member: 5875"><p>Hi guys,</p><p></p><p>I don't wish to flame on anyone or agree/disagree with anyone's ballistic calculations; but I will pass on a bit of physics theory:</p><p>With ALL conditions being equal; a projectile traveling at a given velocity will exert/expend an equal amount of energy upon encountering resistance. Therefore a projectile traveling at 3450 fps encountering a stationary particle (i.e.: air molecule) will exert/expend more energy than an equivalent projectile moving at 3200 fps. and encountering a particle of equal mass. Over an equivalent span of distance the energy of the faster projectile will deteriorate more rapidly, by comparison as the rate of exertion and expulsion of energy is accumulative.</p><p>This theory does not directly apply to bullets being shot from rifles under normal atmospheric conditions, nor does it account for gravitational force, it is simply an explanation as to why a faster projectile will lose more energy (velocity) than a slower projectile over an equal distance, assuming the velocity of both projectiles is measured from a starting velocity of 0.00 fps.</p><p></p><p> [ QUOTE ]</p><p> Is it not correct to think that if I take my 338 Allen Mag, load it to 3450 fps that once the projectiles velocity drops to 3200 fps, it will have VERY nearly the same identical ballistic path as the bullet that started out at that velocity? </p><p></p><p>[/ QUOTE ] </p><p></p><p>Kirby, if the above theory applies; your bullet would continue to shed velocity at the same rate that it did from its initial encounter with resistance as that rate is accumulative, this would indicate your bullet would be losing speed more rapidly than a bullet of equal speed which is exerting less energy against its initial resistance. If that is the case then gravity will create a greater effect on the flight path of your bullet.</p><p>Hey guys, this is all theory which is developed in a highly controlled environment. I have no idea how this could determine the approximate distance at which one bullet would go sub-sonic as compared to another. </p><p>Once again, I don't wish to create controversy, but I really enjoy these discussions and sharing of thoughts and ideas. LRH has got to be one of the top forums on the web, with a lot of knowledgeable participants and I have learned a tremendous amount since I joined the site.</p><p>Dave</p></blockquote><p></p>
[QUOTE="Mountainsheep, post: 120269, member: 5875"] Hi guys, I don't wish to flame on anyone or agree/disagree with anyone's ballistic calculations; but I will pass on a bit of physics theory: With ALL conditions being equal; a projectile traveling at a given velocity will exert/expend an equal amount of energy upon encountering resistance. Therefore a projectile traveling at 3450 fps encountering a stationary particle (i.e.: air molecule) will exert/expend more energy than an equivalent projectile moving at 3200 fps. and encountering a particle of equal mass. Over an equivalent span of distance the energy of the faster projectile will deteriorate more rapidly, by comparison as the rate of exertion and expulsion of energy is accumulative. This theory does not directly apply to bullets being shot from rifles under normal atmospheric conditions, nor does it account for gravitational force, it is simply an explanation as to why a faster projectile will lose more energy (velocity) than a slower projectile over an equal distance, assuming the velocity of both projectiles is measured from a starting velocity of 0.00 fps. [ QUOTE ] Is it not correct to think that if I take my 338 Allen Mag, load it to 3450 fps that once the projectiles velocity drops to 3200 fps, it will have VERY nearly the same identical ballistic path as the bullet that started out at that velocity? [/ QUOTE ] Kirby, if the above theory applies; your bullet would continue to shed velocity at the same rate that it did from its initial encounter with resistance as that rate is accumulative, this would indicate your bullet would be losing speed more rapidly than a bullet of equal speed which is exerting less energy against its initial resistance. If that is the case then gravity will create a greater effect on the flight path of your bullet. Hey guys, this is all theory which is developed in a highly controlled environment. I have no idea how this could determine the approximate distance at which one bullet would go sub-sonic as compared to another. Once again, I don't wish to create controversy, but I really enjoy these discussions and sharing of thoughts and ideas. LRH has got to be one of the top forums on the web, with a lot of knowledgeable participants and I have learned a tremendous amount since I joined the site. Dave [/QUOTE]
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