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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What keeps a round from holding MOA
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<blockquote data-quote="JBM" data-source="post: 36650" data-attributes="member: 1969"><p><BLOCKQUOTE><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><HR>the bullet will lose the amount of rotation that is need to keep it stable.This is why you have difrent twist rates for difrent leanght bullets <HR></BLOCKQUOTE></p><p></p><p>Yes, it loses rotation, but it also loses velocity. The forces that are attempting to yaw the bullet come from forward velocity. The forces maintaining stability come from rotation. The velocity forces fall faster than the rotation forces so the stability goes up as the bullet goes down range.</p></blockquote><p></p>
[QUOTE="JBM, post: 36650, member: 1969"] <BLOCKQUOTE><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><HR>the bullet will lose the amount of rotation that is need to keep it stable.This is why you have difrent twist rates for difrent leanght bullets <HR></BLOCKQUOTE> Yes, it loses rotation, but it also loses velocity. The forces that are attempting to yaw the bullet come from forward velocity. The forces maintaining stability come from rotation. The velocity forces fall faster than the rotation forces so the stability goes up as the bullet goes down range. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What keeps a round from holding MOA
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