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Hunting
Long Range Hunting & Shooting
spin drift & Coriolis effect
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<blockquote data-quote="tresmon" data-source="post: 493034" data-attributes="member: 12397"><p>Good points bravo.</p><p></p><p>modern ballistic programs for shooters are nothing more than old mortar & artillery math programs tweaked specifically for the rifle shooter.</p><p></p><p>Its from this that I got my 3" & 3" reference. </p><p>Per your spindrift quotes: spin drift varies with diameter of the projectile, length of projectile and RPM, but the program will not ask for rpm because you will not know... it asks you for muzzle velocity and rifling twist and calculates it for you.</p><p></p><p>All good stuff!</p></blockquote><p></p>
[QUOTE="tresmon, post: 493034, member: 12397"] Good points bravo. modern ballistic programs for shooters are nothing more than old mortar & artillery math programs tweaked specifically for the rifle shooter. Its from this that I got my 3" & 3" reference. Per your spindrift quotes: spin drift varies with diameter of the projectile, length of projectile and RPM, but the program will not ask for rpm because you will not know... it asks you for muzzle velocity and rifling twist and calculates it for you. All good stuff! [/QUOTE]
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