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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Spin and Performance
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<blockquote data-quote="RockyMtnMT" data-source="post: 248558" data-attributes="member: 7999"><p>The 1.5 stabilization factor is the key. The problem that I have found is knowing weather or not you are there. How do you calculate it? It is highly variable based on the external ballistics of the projectile. Length mainly. The longer the bullet the more twist needed to get the 1.5 sf. Weather or not it groups doesn't tell you if the bullet is stabilized properly for hunting. The key is getting the base of the bullet entering the animal in line with the tip, causing the bullet to deform properly. You need the energy from the base of the bullet acting on the tip in a straight line to cause the bullet to deform uniformly and continue on in the intended path.</p><p> </p><p>Correct me if I am wrong. I thought the permanent wound channel was caused by the shape of the deformed projectile. The more square the mushroom the larger the permanent wound channel. The more round in shape the mushroom is, the more "return to shape" of the temporary wound channel and the smaller the permanent wound channel. I thought that the spinning of the bullet was fairly easily stopped by the mass of the target. Once the bullet reached the target the job of spin was complete?</p><p> </p><p>Thanks to every one involved here, I find terminal ballistics fascinating. Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 248558, member: 7999"] The 1.5 stabilization factor is the key. The problem that I have found is knowing weather or not you are there. How do you calculate it? It is highly variable based on the external ballistics of the projectile. Length mainly. The longer the bullet the more twist needed to get the 1.5 sf. Weather or not it groups doesn't tell you if the bullet is stabilized properly for hunting. The key is getting the base of the bullet entering the animal in line with the tip, causing the bullet to deform properly. You need the energy from the base of the bullet acting on the tip in a straight line to cause the bullet to deform uniformly and continue on in the intended path. Correct me if I am wrong. I thought the permanent wound channel was caused by the shape of the deformed projectile. The more square the mushroom the larger the permanent wound channel. The more round in shape the mushroom is, the more "return to shape" of the temporary wound channel and the smaller the permanent wound channel. I thought that the spinning of the bullet was fairly easily stopped by the mass of the target. Once the bullet reached the target the job of spin was complete? Thanks to every one involved here, I find terminal ballistics fascinating. Steve [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Spin and Performance
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