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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with BC calculation
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<blockquote data-quote="Jeff In TX" data-source="post: 35207" data-attributes="member: 1522"><p>Jerry,</p><p></p><p>Your results are very screwy and don't make much sense. But I learned long ago, never say never, cause screwy stuff is what this world go round.</p><p></p><p>However, I would never trust a chrony. I have two as well as two Millenium CED chronographs. My chrony's have been back twice to be checked and recalibrated and they are so inconsistent it is not funny. But the two CED's are within a foot per second of each other when placed right behind each other. My two Chrony's can be 200 fps faster or slower than the CED's.</p><p></p><p>If you want to figure out what you actual BC is. Move the chrony out to exactly 100 yards. Not close to a 100 or a laser ranged 100 yards, but exactly 100 yards and get an average velocity reading. Post your results and I'll let you know your actual BC is.</p><p></p><p>Hope it helps,</p></blockquote><p></p>
[QUOTE="Jeff In TX, post: 35207, member: 1522"] Jerry, Your results are very screwy and don't make much sense. But I learned long ago, never say never, cause screwy stuff is what this world go round. However, I would never trust a chrony. I have two as well as two Millenium CED chronographs. My chrony's have been back twice to be checked and recalibrated and they are so inconsistent it is not funny. But the two CED's are within a foot per second of each other when placed right behind each other. My two Chrony's can be 200 fps faster or slower than the CED's. If you want to figure out what you actual BC is. Move the chrony out to exactly 100 yards. Not close to a 100 or a laser ranged 100 yards, but exactly 100 yards and get an average velocity reading. Post your results and I'll let you know your actual BC is. Hope it helps, [/QUOTE]
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Help with BC calculation
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