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Long Range Hunting & Shooting
Best Spin Drift online calculator?
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<blockquote data-quote="User4302021" data-source="post: 1772828" data-attributes="member: 105322"><p>Jim Boatwright's paper is what opened my eyes to it. </p><p></p><p>It was through conversations with him on another site that he dropped the knowledge bomb that, based on his extensive analysis of the military small arms PRODAS data he had access to, "...For any given combination, spindrift is some invariable percentage of drop".</p><p></p><p>He went on to say that for the vast majority of combinations, that percentage falls between 1% and 2%. </p><p></p><p>I believe that what Hornady has done in thier program is use a flat rate, but they have cut it down the middle at 1.5%. Litz's program, as well as most others hover between 2.5% and 3%. That is the main reason I leave both spindrift an coriolis turned off on whatever program I am using, and dial it myself. I typically use 1% and round up to the nearest 0.1mil increment.</p></blockquote><p></p>
[QUOTE="User4302021, post: 1772828, member: 105322"] Jim Boatwright's paper is what opened my eyes to it. It was through conversations with him on another site that he dropped the knowledge bomb that, based on his extensive analysis of the military small arms PRODAS data he had access to, "...For any given combination, spindrift is some invariable percentage of drop". He went on to say that for the vast majority of combinations, that percentage falls between 1% and 2%. I believe that what Hornady has done in thier program is use a flat rate, but they have cut it down the middle at 1.5%. Litz's program, as well as most others hover between 2.5% and 3%. That is the main reason I leave both spindrift an coriolis turned off on whatever program I am using, and dial it myself. I typically use 1% and round up to the nearest 0.1mil increment. [/QUOTE]
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Best Spin Drift online calculator?
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