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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Denser core material?
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<blockquote data-quote="Mysticplayer" data-source="post: 28308" data-attributes="member: 8947"><p>Brent, yep, looks like I got the math wrong BUT since I usually compare bullets of the same weight, mass is constant. I am concerned then about form and the BC value of such.</p><p></p><p>That is where I draw my conclusions about the poly tipped bullets and their benefits to increase BC. Also, all the newer controlled expansion/bonded bullets like Scirocco, Accu and interbond, SST which are much longer due to less lead then conventional hunting bullets of similar weight.</p><p></p><p>This increased length and bullet construction also changes the effective SD of these bullets. They give the same performance on game and target as much heavier conventional bullets. Pretty hard to give the same on game SD of a Barnes X and an Amax.</p><p></p><p>I think the direction of increased core mass will quickly run into problems due to the difficulty of obtaining super dense material, their cost, and ease of manufacture. Plus most are extremely deadly. </p><p></p><p>The increase of BC through the use of tough light jacket material should be easier. We already have companies like Lost River making lathe turned bullets with super high BC numbers. Since twist rate is very simple to adjust/increase, there would be little issue in launching these bullets. Slow powders is the final link.</p><p></p><p>Is there an Aluminum alloy that is tough enough to make the trip? How about a carbon fibre bullet?</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 28308, member: 8947"] Brent, yep, looks like I got the math wrong BUT since I usually compare bullets of the same weight, mass is constant. I am concerned then about form and the BC value of such. That is where I draw my conclusions about the poly tipped bullets and their benefits to increase BC. Also, all the newer controlled expansion/bonded bullets like Scirocco, Accu and interbond, SST which are much longer due to less lead then conventional hunting bullets of similar weight. This increased length and bullet construction also changes the effective SD of these bullets. They give the same performance on game and target as much heavier conventional bullets. Pretty hard to give the same on game SD of a Barnes X and an Amax. I think the direction of increased core mass will quickly run into problems due to the difficulty of obtaining super dense material, their cost, and ease of manufacture. Plus most are extremely deadly. The increase of BC through the use of tough light jacket material should be easier. We already have companies like Lost River making lathe turned bullets with super high BC numbers. Since twist rate is very simple to adjust/increase, there would be little issue in launching these bullets. Slow powders is the final link. Is there an Aluminum alloy that is tough enough to make the trip? How about a carbon fibre bullet? Jerry [/QUOTE]
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Denser core material?
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