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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Whats up with my BC?
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<blockquote data-quote="Mikecr" data-source="post: 150396" data-attributes="member: 1521"><p>Are you sure both chronos match? Are they really accurate?</p><p>Have you swapped them?</p><p>A .496bc would have dropped from 3250 to 3047fps. Let's say your chronos are good within typical 5% accuracy. Here, that's ~160fps worse case right? </p><p>Or looking at it another way 1-3047/2962 = 2.9% error</p><p></p><p>I could see this coming into play. My Oehler w/20' screen spacing still has ~1-2% possible error.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 150396, member: 1521"] Are you sure both chronos match? Are they really accurate? Have you swapped them? A .496bc would have dropped from 3250 to 3047fps. Let's say your chronos are good within typical 5% accuracy. Here, that's ~160fps worse case right? Or looking at it another way 1-3047/2962 = 2.9% error I could see this coming into play. My Oehler w/20' screen spacing still has ~1-2% possible error. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Whats up with my BC?
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