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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Differences in Chronograph Readings
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<blockquote data-quote="Cornfield Flats" data-source="post: 794431" data-attributes="member: 11561"><p>I'm glad to see someone post this subject. I was going to a long time ago but just didn't want to get into it.</p><p> </p><p>My results with these two brand name chronographs has been almost identical. I have tried three different Chronys, two Pro Chronos and two Oehler 35 Ps. In every case, the ProChrono read very close to the Oehler; within single digits. The Chrony would read up to 110 fps faster depending on the muzzle velocity of the load. It didn't matter which chronograph was in front. It seems like a percentage difference. The higher the muzzle velocity the more the difference. </p><p> </p><p>I suppose one could argue the Chrony is right and the others are wrong but that's not likely. I develop my drop charts using data from the Oehler or Pro Crono and everything seems to work out correctly.</p><p> </p><p>Thank you for posting this.</p></blockquote><p></p>
[QUOTE="Cornfield Flats, post: 794431, member: 11561"] I'm glad to see someone post this subject. I was going to a long time ago but just didn't want to get into it. My results with these two brand name chronographs has been almost identical. I have tried three different Chronys, two Pro Chronos and two Oehler 35 Ps. In every case, the ProChrono read very close to the Oehler; within single digits. The Chrony would read up to 110 fps faster depending on the muzzle velocity of the load. It didn't matter which chronograph was in front. It seems like a percentage difference. The higher the muzzle velocity the more the difference. I suppose one could argue the Chrony is right and the others are wrong but that's not likely. I develop my drop charts using data from the Oehler or Pro Crono and everything seems to work out correctly. Thank you for posting this. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Differences in Chronograph Readings
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