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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Stability?
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<blockquote data-quote="Bullet bumper" data-source="post: 1314508" data-attributes="member: 17844"><p>Another big challenge to bullet stability in any particular twist rate is internal bullet construction . Some bullets are just not made right and some are made in a way that requires extra twist rates that they should not require for their length .</p><p>You can calculate based on velocity , twist rate and bullet length and generally it is spot on but if the bullet is made inside in some unusual way then that calculation could be flawed . </p><p>As a matter of interest sometimes bullets like boat tails do not fly point forward initially they fly point slightly up initially . </p><p>How far they fly like that before they flatten out I don't know . </p><p>However it must affect actual in flight BC to some small degree .</p></blockquote><p></p>
[QUOTE="Bullet bumper, post: 1314508, member: 17844"] Another big challenge to bullet stability in any particular twist rate is internal bullet construction . Some bullets are just not made right and some are made in a way that requires extra twist rates that they should not require for their length . You can calculate based on velocity , twist rate and bullet length and generally it is spot on but if the bullet is made inside in some unusual way then that calculation could be flawed . As a matter of interest sometimes bullets like boat tails do not fly point forward initially they fly point slightly up initially . How far they fly like that before they flatten out I don't know . However it must affect actual in flight BC to some small degree . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Stability?
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