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Long Range Hunting & Shooting
Do Not Mount Your Scope Level
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<blockquote data-quote="JustMe2" data-source="post: 2504173" data-attributes="member: 42494"><p>No, shooting due east or due west, there is zero right Coriolis correction.</p><p></p><p>Coriolis is the difference in the speed the earth turns. The earth turns one revolution in 24 hrs. Along a latitude line, the earth's circumference is a different distance at each latitude so the earth travels further/faster in 24hrs at the equator than it does in Kansas. So, the bullet travels further east if fired north and travels less distance east if fired south causing the bullet to always hit right of the target. Shooting N/S the shooter and target are moving at different speeds when the bullet leaves the barrel. Shooting E/W, the shooter and target are both moving the same speed when the bullet leaves the barrel, therefore no left/right correction is required.</p></blockquote><p></p>
[QUOTE="JustMe2, post: 2504173, member: 42494"] No, shooting due east or due west, there is zero right Coriolis correction. Coriolis is the difference in the speed the earth turns. The earth turns one revolution in 24 hrs. Along a latitude line, the earth's circumference is a different distance at each latitude so the earth travels further/faster in 24hrs at the equator than it does in Kansas. So, the bullet travels further east if fired north and travels less distance east if fired south causing the bullet to always hit right of the target. Shooting N/S the shooter and target are moving at different speeds when the bullet leaves the barrel. Shooting E/W, the shooter and target are both moving the same speed when the bullet leaves the barrel, therefore no left/right correction is required. [/QUOTE]
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