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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hornady ELD-X Official Thread
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<blockquote data-quote="Pdvdh" data-source="post: 1130737" data-attributes="member: 4191"><p>You've overlooked a detail or two. If all you want is an instantaneous pressure, use a faster burning powder with your long, heavy for caliber bullets - and end up with a lower MV. Higher MV is obtained by elevating pressure across the pressure curve. Through the peak, and the full length of the barrel. </p><p></p><p>HBN reduces friction between the bullet and the bore. This spreads out the peak pressure slightly, due to the lesser friction. Allows one to add a little more powder to regain the former peak pressure experienced with uncoated bullets. And the net result of the addition of powder is additional MV. Less friction, all other factors remaining the same except ability to add a tad bit more powder - more MV at equivalent peak pressure.</p><p></p><p>You can also drop down to a smaller capacity casing if you want to raise pressure with less powder. We all know how well that works, when higher MV is the desired goal.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1130737, member: 4191"] You've overlooked a detail or two. If all you want is an instantaneous pressure, use a faster burning powder with your long, heavy for caliber bullets - and end up with a lower MV. Higher MV is obtained by elevating pressure across the pressure curve. Through the peak, and the full length of the barrel. HBN reduces friction between the bullet and the bore. This spreads out the peak pressure slightly, due to the lesser friction. Allows one to add a little more powder to regain the former peak pressure experienced with uncoated bullets. And the net result of the addition of powder is additional MV. Less friction, all other factors remaining the same except ability to add a tad bit more powder - more MV at equivalent peak pressure. You can also drop down to a smaller capacity casing if you want to raise pressure with less powder. We all know how well that works, when higher MV is the desired goal. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Hornady ELD-X Official Thread
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