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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does velocity affect ballistic coefficient?
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<blockquote data-quote="Veteran" data-source="post: 2276057" data-attributes="member: 118038"><p>Here's a video from Rex that is maybe too elementary for some of you, but is very interesting as it presents the history of how G1 and G7 standards evolved since the 1870's. It's a very good basic explanation of what G1 and G7 are, where they came from and how they differ. He does go into in some detail on the same information presented by Brian Litz concerning BC variation with velocity.</p><p></p><p>I think its good supplemental background information. Rex is a bit of a mathematician I suspect. He enjoys showing the equations</p><p>and discussing the various drag functions, and reference bullets, and the history of the reference bullets.</p><p></p><p>Anybody ever seen a stuffed Teddy Bear shot out of a cannon? Its drag function is infinite.......<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> Everything has a high BC in</p><p>comparison. I have heard some bullet makers have used the Teddy Bear as their reference bullet in the Form Factor.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p></p><p>[MEDIA=youtube]gjzs79kDr6E[/MEDIA]</p></blockquote><p></p>
[QUOTE="Veteran, post: 2276057, member: 118038"] Here's a video from Rex that is maybe too elementary for some of you, but is very interesting as it presents the history of how G1 and G7 standards evolved since the 1870's. It's a very good basic explanation of what G1 and G7 are, where they came from and how they differ. He does go into in some detail on the same information presented by Brian Litz concerning BC variation with velocity. I think its good supplemental background information. Rex is a bit of a mathematician I suspect. He enjoys showing the equations and discussing the various drag functions, and reference bullets, and the history of the reference bullets. Anybody ever seen a stuffed Teddy Bear shot out of a cannon? Its drag function is infinite.......:) Everything has a high BC in comparison. I have heard some bullet makers have used the Teddy Bear as their reference bullet in the Form Factor.:) [MEDIA=youtube]gjzs79kDr6E[/MEDIA] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does velocity affect ballistic coefficient?
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