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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rifle Cartridge Efficiency Formula
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<blockquote data-quote="mitch260" data-source="post: 980322" data-attributes="member: 53720"><p>I was not disagreeing with you, I just wanted to point out that SD and BC are not independent of each other when referring to external ballistics.</p><p></p><p>This whole conversation is dependent on what kind of efficiency the OP was referring to.</p><p></p><p>Most of the time a cartridges efficiency is referring to ballistic efficiency which is a matter of internal ballistics and is a figure based on factors like amount/type of powder, bullet weight, bullet start pressure, muzzle energy, etc.</p><p></p><p>Once the bullet leaves the barrel, it is no longer a matter of the cartridge's efficiency, but of a bullet's weight, SD, form factor, etc. So in other words, the bullets "efficiency".</p></blockquote><p></p>
[QUOTE="mitch260, post: 980322, member: 53720"] I was not disagreeing with you, I just wanted to point out that SD and BC are not independent of each other when referring to external ballistics. This whole conversation is dependent on what kind of efficiency the OP was referring to. Most of the time a cartridges efficiency is referring to ballistic efficiency which is a matter of internal ballistics and is a figure based on factors like amount/type of powder, bullet weight, bullet start pressure, muzzle energy, etc. Once the bullet leaves the barrel, it is no longer a matter of the cartridge's efficiency, but of a bullet's weight, SD, form factor, etc. So in other words, the bullets "efficiency". [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Rifle Cartridge Efficiency Formula
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