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Hunting
Extreme Long Range Hunting & Shooting (ELR)
245 berger bullets
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<blockquote data-quote="richhymas" data-source="post: 1985926" data-attributes="member: 43504"><p>I think it is worth stating the obvious to clarify for the readers. The G1 calculation assumes an ideal bullet with a flat base. The G7 calculation assumes a boat tail shaped ideal bullet. You could take the actual dimensions of your bullet and calculate a form factor to see how closely your bullet represents the ideal bullet used in the formula. You should then use the formula that most closely resembles your bullet.</p><p></p><p>it is true that the G1 and G7 BC for a given bullet can be calculated from one another, however the user needs to decide if his or her bullet of choice more closely resembles the ideal flat base bullet (G1) or the ideal boat tail bullet (G7).</p><p></p><p>[URL unfurl="true"]https://kestrelmeters.com/pages/g1-g7-ballistic-coefficients-what-s-the-difference[/URL]</p><p>[ATTACH=full]215585[/ATTACH]</p></blockquote><p></p>
[QUOTE="richhymas, post: 1985926, member: 43504"] I think it is worth stating the obvious to clarify for the readers. The G1 calculation assumes an ideal bullet with a flat base. The G7 calculation assumes a boat tail shaped ideal bullet. You could take the actual dimensions of your bullet and calculate a form factor to see how closely your bullet represents the ideal bullet used in the formula. You should then use the formula that most closely resembles your bullet. it is true that the G1 and G7 BC for a given bullet can be calculated from one another, however the user needs to decide if his or her bullet of choice more closely resembles the ideal flat base bullet (G1) or the ideal boat tail bullet (G7). [URL unfurl="true"]https://kestrelmeters.com/pages/g1-g7-ballistic-coefficients-what-s-the-difference[/URL] [ATTACH type="full"]215585[/ATTACH] [/QUOTE]
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Extreme Long Range Hunting & Shooting (ELR)
245 berger bullets
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