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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Canting - the right answer
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<blockquote data-quote="JBM" data-source="post: 110311" data-attributes="member: 1969"><p>You're correct, I don't usually differentiate between the two drops (I know they are different), I just don't really think about the line of departure that much. It's not something I use.</p><p></p><p>The point I was trying to get at is post the corrections given by your formula, not the drop plus the correction. If post the corrections, we can compare the formulas without having to worry about the differences in trajectory calculation tools, atmospheric models, etc.</p><p></p><p>Sorry -- didn't answer your question:</p><p></p><p>True drop would just be range*elevation angle + sight height + the drop listed above:</p><p></p><p>100 yards * 3.920 moa - 1.5 inches + 47.8 inches = 4.1" - 1.5" + 47.8" = 50.4" (Does this look correct?)</p><p></p><p>This is for the 100 yard zero, 10 degree cant. I got the 47.8 from the 47.5 inches of drop added to the 0.31" of extra drop due to the cant. Is this what you want?</p><p></p><p>JBM</p></blockquote><p></p>
[QUOTE="JBM, post: 110311, member: 1969"] You're correct, I don't usually differentiate between the two drops (I know they are different), I just don't really think about the line of departure that much. It's not something I use. The point I was trying to get at is post the corrections given by your formula, not the drop plus the correction. If post the corrections, we can compare the formulas without having to worry about the differences in trajectory calculation tools, atmospheric models, etc. Sorry -- didn't answer your question: True drop would just be range*elevation angle + sight height + the drop listed above: 100 yards * 3.920 moa - 1.5 inches + 47.8 inches = 4.1" - 1.5" + 47.8" = 50.4" (Does this look correct?) This is for the 100 yard zero, 10 degree cant. I got the 47.8 from the 47.5 inches of drop added to the 0.31" of extra drop due to the cant. Is this what you want? JBM [/QUOTE]
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Canting - the right answer
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