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Long Range Hunting & Shooting
Dope charts - what's your procedure w details
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<blockquote data-quote="FearNoWind" data-source="post: 1088654" data-attributes="member: 50867"><p>Even in long range competition, where .5 MOA makes a very big difference, I rely on a method similar to what 7mgcreedmoor describes. But I'm not sure I do it exactly the same way. I run my basic dope chart using the best BC data I can find (if it isn't in Bryan Litz's book I may use it but only with some reservations) and visit the range. I'll shoot 200/300/450/500/600/800/900 and 1K (40 rounds) with sight adjustments suggested on the preliminary dope chart. Then compare the elevation of each shot on target with the dope sheet. I then calculate true trajectory values with those on the dope sheet, make necessary corrections.</p><p>Just for kicks I then run a line chart, using my computer spread sheet software, to parallel the curve of the preliminary dope sheet with actual field results. If those charts look odd and the slope of the curves are too dramatic I re-examine my data to find any error I might have made in its collection.</p></blockquote><p></p>
[QUOTE="FearNoWind, post: 1088654, member: 50867"] Even in long range competition, where .5 MOA makes a very big difference, I rely on a method similar to what 7mgcreedmoor describes. But I'm not sure I do it exactly the same way. I run my basic dope chart using the best BC data I can find (if it isn't in Bryan Litz's book I may use it but only with some reservations) and visit the range. I'll shoot 200/300/450/500/600/800/900 and 1K (40 rounds) with sight adjustments suggested on the preliminary dope chart. Then compare the elevation of each shot on target with the dope sheet. I then calculate true trajectory values with those on the dope sheet, make necessary corrections. Just for kicks I then run a line chart, using my computer spread sheet software, to parallel the curve of the preliminary dope sheet with actual field results. If those charts look odd and the slope of the curves are too dramatic I re-examine my data to find any error I might have made in its collection. [/QUOTE]
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Dope charts - what's your procedure w details
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