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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question on Applied Ballistics App and Coriolis
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<blockquote data-quote="Pdvdh" data-source="post: 1187675" data-attributes="member: 4191"><p>This statement brings back the recollection of one member of this forum that used to post 1000yd targets time and again, showing bullet impacts directly on a vertical line drawn thru the bullseye. I swear he posted 15-20 different targets all showing consistently similar bullet strikes at 1000-1200yds. All in the effort to support his contention that spin drift and coriolis were a figment of the imagination. He was an older fella, dead set in his ways. So closed-minded I never even considered any serious effort to explain the science behind coriolis, or the empirical evidence/proof of spin drift. Still makes me smile. Now I'm sure I posted in some of those threads that the US military respects, and corrects for, coriolis, thinking that might persuade him. Nope. Not to be dissuaded. Just more photos of bullet impacts at 100yds, and then photos of bullet impacts at 1000+ yards.</p><p></p><p>If the photos were for real, then I'll give him this much credit - he consistently set up his rifle/scope, and/or positioned it at the time the trigger broke, such that he continually counteracted the combined effects of spin drift + coriolis. He wasn't shooting left twist barrels, and he was shooting in the northern hemisphere. He, with his equipment, consistently eliminated the need to dope for spin drift and coriolis. He hasn't been active on the forum for many years now. Dunno if he ever converted, or not. He was a fully committed, non-believer. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1187675, member: 4191"] This statement brings back the recollection of one member of this forum that used to post 1000yd targets time and again, showing bullet impacts directly on a vertical line drawn thru the bullseye. I swear he posted 15-20 different targets all showing consistently similar bullet strikes at 1000-1200yds. All in the effort to support his contention that spin drift and coriolis were a figment of the imagination. He was an older fella, dead set in his ways. So closed-minded I never even considered any serious effort to explain the science behind coriolis, or the empirical evidence/proof of spin drift. Still makes me smile. Now I'm sure I posted in some of those threads that the US military respects, and corrects for, coriolis, thinking that might persuade him. Nope. Not to be dissuaded. Just more photos of bullet impacts at 100yds, and then photos of bullet impacts at 1000+ yards. If the photos were for real, then I'll give him this much credit - he consistently set up his rifle/scope, and/or positioned it at the time the trigger broke, such that he continually counteracted the combined effects of spin drift + coriolis. He wasn't shooting left twist barrels, and he was shooting in the northern hemisphere. He, with his equipment, consistently eliminated the need to dope for spin drift and coriolis. He hasn't been active on the forum for many years now. Dunno if he ever converted, or not. He was a fully committed, non-believer. :) [/QUOTE]
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Question on Applied Ballistics App and Coriolis
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