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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 cal 265grn wildcat bullet test
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<blockquote data-quote="edge" data-source="post: 162545" data-attributes="member: 5030"><p>Please re-read what I wrote. I was only describing FMJ bullets. Non- expanding.</p><p>Clearly expanding bullets prevent tumbling due to several mechanisms, shoulder stabilization, mass shifting, and becoming a cylinder with weight forward properties.</p><p></p><p>Data on FMJ bullets has been described in many places, here is one:</p><p></p><p><a href="http://teapot.usask.ca/cdn-firearms/Fackler/wrong.html" target="_blank">http://teapot.usask.ca/cdn-firearms/Fackler/wrong.html</a></p><p></p><p>and some included sketches:</p><p></p><p><a href="http://teapot.usask.ca/cdn-firearms/Fackler/figure3.gif" target="_blank">http://teapot.usask.ca/cdn-firearms/Fackler/figure3.gif</a></p><p></p><p><a href="http://teapot.usask.ca/cdn-firearms/Fackler/figure6.gif" target="_blank">http://teapot.usask.ca/cdn-firearms/Fackler/figure6.gif</a></p><p></p><p>If I gave the impression that all bullets tumble I apologise, and that was never my intent. I think that were you to drop a bullet nose down from a reasonable distance that it would hit the ground in a general base down manner, this overturning moment is one reason for the need for twist.</p><p></p><p>edge.</p></blockquote><p></p>
[QUOTE="edge, post: 162545, member: 5030"] Please re-read what I wrote. I was only describing FMJ bullets. Non- expanding. Clearly expanding bullets prevent tumbling due to several mechanisms, shoulder stabilization, mass shifting, and becoming a cylinder with weight forward properties. Data on FMJ bullets has been described in many places, here is one: [url]http://teapot.usask.ca/cdn-firearms/Fackler/wrong.html[/url] and some included sketches: [url]http://teapot.usask.ca/cdn-firearms/Fackler/figure3.gif[/url] [url]http://teapot.usask.ca/cdn-firearms/Fackler/figure6.gif[/url] If I gave the impression that all bullets tumble I apologise, and that was never my intent. I think that were you to drop a bullet nose down from a reasonable distance that it would hit the ground in a general base down manner, this overturning moment is one reason for the need for twist. edge. [/QUOTE]
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338 cal 265grn wildcat bullet test
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