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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
right or left hand twist?
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<blockquote data-quote="Brent" data-source="post: 33385" data-attributes="member: 99"><p>Richard,</p><p></p><p>What I meant by complicate the spin drift calculation was, if you figured one to cancel the other out, but it really doesn't completely cancel spin, nor would it be the same depending on the bearing fired. </p><p></p><p>The effect of spin drift, in my mind, will always need to be figured seperately, and yes, the figured coriolis correction with a left twist would require you to dial less to compensate for spin, rather than adding to the spin error. </p><p></p><p>I've never heard of vertical coriolis, that's new to me. Also new to me is the statement that "horizontal" coriolis effect is independant of direction of fire, bearing I'm guessing. That doesn't seem to make any sense?</p><p></p><p>If this were to be the case, treating them additively as you say does make sense.</p></blockquote><p></p>
[QUOTE="Brent, post: 33385, member: 99"] Richard, What I meant by complicate the spin drift calculation was, if you figured one to cancel the other out, but it really doesn't completely cancel spin, nor would it be the same depending on the bearing fired. The effect of spin drift, in my mind, will always need to be figured seperately, and yes, the figured coriolis correction with a left twist would require you to dial less to compensate for spin, rather than adding to the spin error. I've never heard of vertical coriolis, that's new to me. Also new to me is the statement that "horizontal" coriolis effect is independant of direction of fire, bearing I'm guessing. That doesn't seem to make any sense? If this were to be the case, treating them additively as you say does make sense. [/QUOTE]
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right or left hand twist?
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