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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rotational velocity vs wound severity
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<blockquote data-quote="Lefty7mmstw" data-source="post: 711123" data-attributes="member: 48043"><p>I was under the impression that rotational velocity slowed in tandem with linear velocity. a bullet turns say 1 turn in ten inches at muzzle, shouldn't it be 1 turn in 10" at some far off range also, or even less since air resistance would act on the land cuts on the bullet surface. And that 1 in 10 inch linear is going to be slower at distance which would slow your rpm down. The two different progressions are locked together in the same ratio via the fixed bore twist. edit- at first anyway.</p><p> </p><p>An easy play on this would be to use two different 22 cal centerfires since different twist rates are so common.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 711123, member: 48043"] I was under the impression that rotational velocity slowed in tandem with linear velocity. a bullet turns say 1 turn in ten inches at muzzle, shouldn't it be 1 turn in 10" at some far off range also, or even less since air resistance would act on the land cuts on the bullet surface. And that 1 in 10 inch linear is going to be slower at distance which would slow your rpm down. The two different progressions are locked together in the same ratio via the fixed bore twist. edit- at first anyway. An easy play on this would be to use two different 22 cal centerfires since different twist rates are so common. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rotational velocity vs wound severity
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