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Rifles, Reloading, Optics, Equipment
Reloading
How fast, and what weight, must a bullet run to stabilize in a 6 mm , 14 twist barrel?
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<blockquote data-quote="Laguna Freak" data-source="post: 2191722" data-attributes="member: 87188"><p>Forget the Berger stability calculator if you are shooting plastic tipped bullets. It will give you inaccurate results from its calculation which is limited to non-tipped bullets and it uses elevation/altitude to extrapolate air density. Use the JBM Ballistics stability calculator. It calculates variables for length of plastic tip, barometric pressure, and air temp. These variables are critical to bullet c.g. and gyroscopic energy/inertia , and air density. </p><p></p><p>[URL unfurl="true"]http://www.jbmballistics.com/cgi-bin/jbmstab-5.1.cgi[/URL]</p></blockquote><p></p>
[QUOTE="Laguna Freak, post: 2191722, member: 87188"] Forget the Berger stability calculator if you are shooting plastic tipped bullets. It will give you inaccurate results from its calculation which is limited to non-tipped bullets and it uses elevation/altitude to extrapolate air density. Use the JBM Ballistics stability calculator. It calculates variables for length of plastic tip, barometric pressure, and air temp. These variables are critical to bullet c.g. and gyroscopic energy/inertia , and air density. [URL unfurl="true"]http://www.jbmballistics.com/cgi-bin/jbmstab-5.1.cgi[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How fast, and what weight, must a bullet run to stabilize in a 6 mm , 14 twist barrel?
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