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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bucking the wind better BC or weight ?
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<blockquote data-quote="Aussie" data-source="post: 36481" data-attributes="member: 2447"><p>Rick ,</p><p>Quote : Given two bullets with the exact same shape, one made of lead and one of copper, would they not have the same BC?</p><p></p><p>B.C. is a function of bullet shape and also Sectional Density . S.D. takes weight and calibre into account so the answer to your question is no as the above 2 bullets would have significantly different weights . Given exact same dimensions the copper bullet would have a lower B.C. .</p><p>If memory serves me correctly then given the same weight , calibre and ogive shape the copper bullet should have a higher B.C. and would be longer due to it's lower molecular weight .Don't quote me on that last paragraph. <img src="http://images/icons/wink.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Aussie, post: 36481, member: 2447"] Rick , Quote : Given two bullets with the exact same shape, one made of lead and one of copper, would they not have the same BC? B.C. is a function of bullet shape and also Sectional Density . S.D. takes weight and calibre into account so the answer to your question is no as the above 2 bullets would have significantly different weights . Given exact same dimensions the copper bullet would have a lower B.C. . If memory serves me correctly then given the same weight , calibre and ogive shape the copper bullet should have a higher B.C. and would be longer due to it's lower molecular weight .Don't quote me on that last paragraph. [img]images/icons/wink.gif[/img] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bucking the wind better BC or weight ?
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