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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question for 50 Cal shooters
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<blockquote data-quote="J E Custom" data-source="post: 398989" data-attributes="member: 2736"><p>Up date;</p><p></p><p>I just recently had a long conversation with a very knowledgeable person (Not that</p><p>there are not any on this site) with tons of big bore experience and a barrel maker.</p><p></p><p>After a very detailed explanation I understood the relationship between the larger </p><p>projectiles and the smaller one.</p><p></p><p>Hear is a layman's explanation. The larger / heaver projectile is less effected by any</p><p>outside effects because of Mass. Therefore when it passes through the transonic </p><p>it will exhibit the same characteristics of the lighter projectile but with less effect on</p><p>it's POI.</p><p></p><p>The same thing happens when loading large/ heavy projectiles when comparing the</p><p>Standard deviation with lighter/smaller projectiles. It is fairly easy to get single digit</p><p>SDs (02 to 09) with 400gr+ projectiles but very hard with 40grain projectiles because</p><p>of all of the outside influences and inconsistencies.</p><p></p><p>So I think I understand that In the case of projectiles that go's subsonic the larger the</p><p>projectile, the less effected it will be even though it will not be as accurate as it would</p><p>be it the supersonic environment it would be more likely to maintain it's trajectory and</p><p>accuracy to some degree of consistency better than a small light projectile.</p><p></p><p>This looks like a case where bigger is better if you are going to exceed a projectiles </p><p>operating range.</p><p></p><p>Comments and opinions are still welcome </p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 398989, member: 2736"] Up date; I just recently had a long conversation with a very knowledgeable person (Not that there are not any on this site) with tons of big bore experience and a barrel maker. After a very detailed explanation I understood the relationship between the larger projectiles and the smaller one. Hear is a layman's explanation. The larger / heaver projectile is less effected by any outside effects because of Mass. Therefore when it passes through the transonic it will exhibit the same characteristics of the lighter projectile but with less effect on it's POI. The same thing happens when loading large/ heavy projectiles when comparing the Standard deviation with lighter/smaller projectiles. It is fairly easy to get single digit SDs (02 to 09) with 400gr+ projectiles but very hard with 40grain projectiles because of all of the outside influences and inconsistencies. So I think I understand that In the case of projectiles that go's subsonic the larger the projectile, the less effected it will be even though it will not be as accurate as it would be it the supersonic environment it would be more likely to maintain it's trajectory and accuracy to some degree of consistency better than a small light projectile. This looks like a case where bigger is better if you are going to exceed a projectiles operating range. Comments and opinions are still welcome J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question for 50 Cal shooters
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