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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Chrono accuracy
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<blockquote data-quote="bkondeff" data-source="post: 535531" data-attributes="member: 10444"><p>Thanks for the feedback. I have learned or confirmed a few things. </p><p> </p><p>At this point I feel I have mitigated concerns regarding the difference being related to light issues, not enough distance from muzzle, etc. as with having both set up back to back and then switching them with no reversing of the difference between the two it tells me the difference is in the units themselves. The problem is, which unit is right, or at least "most" right. 100fps is significant. I think the one round I have that is the most consistently "known" velocity is my 17HMR in my savage. I have chrono'd the loads before and they were **** consistent to the 2550fps listed on the box. I will do the same this weekend and shoot the 17 and see which Chrono is the closest. I will also diligently measure the dist between the screens. I am averaging about a 3.4% difference in measured velocity so I assume the math should be simple if one set is 3.4% closer than the other(~.4") I may know my answer.</p></blockquote><p></p>
[QUOTE="bkondeff, post: 535531, member: 10444"] Thanks for the feedback. I have learned or confirmed a few things. At this point I feel I have mitigated concerns regarding the difference being related to light issues, not enough distance from muzzle, etc. as with having both set up back to back and then switching them with no reversing of the difference between the two it tells me the difference is in the units themselves. The problem is, which unit is right, or at least "most" right. 100fps is significant. I think the one round I have that is the most consistently "known" velocity is my 17HMR in my savage. I have chrono'd the loads before and they were **** consistent to the 2550fps listed on the box. I will do the same this weekend and shoot the 17 and see which Chrono is the closest. I will also diligently measure the dist between the screens. I am averaging about a 3.4% difference in measured velocity so I assume the math should be simple if one set is 3.4% closer than the other(~.4") I may know my answer. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Chrono accuracy
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