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Hunting
The Basics, Starting Out
Bullet Enery and velocity
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<blockquote data-quote="Kennibear" data-source="post: 960991" data-attributes="member: 51650"><p>The energy figure is a rough guideline. The velocity figure relates to the expansion requirements of the bullet.</p><p></p><p>Concerning energy: Most of the deer I have shot dropped to a 357 magnum with 700 ftlbs at the muzzle. I wasn't holding the revolver against their ribs. Enough is enough. Putting the bullet in the right place counts more than how much energy it has. Dropped a deer with one shot from my 30/06 after my partner hit it three times with a 7 mm RM. His went through the throat/ wind pipe and two through the off side front leg. Mine angled through from the left rear ham through the diaphragm and broke the right front shoulder before exiting. That deer showed no sign of being hit from the first three 7 mm's but anchored in place with the single 30/06. Don't get hung up on the energy. Bullet placement is far more important.</p><p></p><p>Concerning velocity: Velocity is driven by bullet construction. Enough velocity to expand the bullet but not so much the bullet fails by exploding when it hits. At - the - game velocity needs to be at or above the lower expansion threshold. As an example Nosler AB's need 1800 fps to expand but the new ABLR's require only 1300 fps. The Speer 375 caliber works fine at the 375 H&H velocity of 2700 fps but Speer does not recommend that bullet for the 378 Weatherby as it could be driven faster than 3300 fps and it would come apart like a varmint bullet.</p><p></p><p>Hope this clears it up somewhat.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 960991, member: 51650"] The energy figure is a rough guideline. The velocity figure relates to the expansion requirements of the bullet. Concerning energy: Most of the deer I have shot dropped to a 357 magnum with 700 ftlbs at the muzzle. I wasn't holding the revolver against their ribs. Enough is enough. Putting the bullet in the right place counts more than how much energy it has. Dropped a deer with one shot from my 30/06 after my partner hit it three times with a 7 mm RM. His went through the throat/ wind pipe and two through the off side front leg. Mine angled through from the left rear ham through the diaphragm and broke the right front shoulder before exiting. That deer showed no sign of being hit from the first three 7 mm's but anchored in place with the single 30/06. Don't get hung up on the energy. Bullet placement is far more important. Concerning velocity: Velocity is driven by bullet construction. Enough velocity to expand the bullet but not so much the bullet fails by exploding when it hits. At - the - game velocity needs to be at or above the lower expansion threshold. As an example Nosler AB's need 1800 fps to expand but the new ABLR's require only 1300 fps. The Speer 375 caliber works fine at the 375 H&H velocity of 2700 fps but Speer does not recommend that bullet for the 378 Weatherby as it could be driven faster than 3300 fps and it would come apart like a varmint bullet. Hope this clears it up somewhat. KB [/QUOTE]
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The Basics, Starting Out
Bullet Enery and velocity
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