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<blockquote data-quote="AJ Peacock" data-source="post: 284620" data-attributes="member: 4885"><p>BH, you and I are almost identical in our method. I use 200yds though and rely on the velocity as much as the impact points. I'll hang 6-9 targets so I don't need to continually go downrange. I'll then graph the vertical distances in Excel for each shot (I ignore horizontal, because wind is always an issue for me). I'll also graph the MV for each load.</p><p></p><p>I'll calculate the additive change in vertical displacement (in MOA) and MV difference across each successive 3 shot's which will show me nodes in both MV and vertical impact points. For example, I'll take the vertical difference between shots #3,#4 and shots #4,#5, add those differences together and use that as my shot #4 number. Here is a picture of an excel spreadsheet I did a couple years ago.</p><p></p><p><img src="http://i168.photobucket.com/albums/u193/AJPeacock_photos/7mmrm-ladder-test-2-1-2007-IMR4350-.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>AJ</p></blockquote><p></p>
[QUOTE="AJ Peacock, post: 284620, member: 4885"] BH, you and I are almost identical in our method. I use 200yds though and rely on the velocity as much as the impact points. I'll hang 6-9 targets so I don't need to continually go downrange. I'll then graph the vertical distances in Excel for each shot (I ignore horizontal, because wind is always an issue for me). I'll also graph the MV for each load. I'll calculate the additive change in vertical displacement (in MOA) and MV difference across each successive 3 shot's which will show me nodes in both MV and vertical impact points. For example, I'll take the vertical difference between shots #3,#4 and shots #4,#5, add those differences together and use that as my shot #4 number. Here is a picture of an excel spreadsheet I did a couple years ago. [IMG]http://i168.photobucket.com/albums/u193/AJPeacock_photos/7mmrm-ladder-test-2-1-2007-IMR4350-.jpg[/IMG] AJ [/QUOTE]
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