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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="Brad7348" data-source="post: 2234337" data-attributes="member: 70334"><p>Ok I have to throw something out there after skimming through this. I had a similar experience with the SAME rifle, loads etc. Was using my chrony at the range, packed it up and went somewhere else, and set it all back up and all of a sudden was getting faster readings. I knew something was wrong, power cycled the chrony, made sure the plastic strips were straight etc, same issue. I went back out to adjust to make sure I wasnt off axis and when I touched the front of the Chrony I felt it fall and hit the metal hinge stop. It appeared that I had not fully opened the Chrony so the little optical sensors were angled in toward each other. The error couldnt have been more than a fraction of a degree, but when you are trying to measure a 3000fps projectile in a distance of about 10 inches, I guess it doesnt take much. Not sure if your chronograph is a folding style, but if it is, it is worth looking at. I moved to Magnetospeed for this reason.</p></blockquote><p></p>
[QUOTE="Brad7348, post: 2234337, member: 70334"] Ok I have to throw something out there after skimming through this. I had a similar experience with the SAME rifle, loads etc. Was using my chrony at the range, packed it up and went somewhere else, and set it all back up and all of a sudden was getting faster readings. I knew something was wrong, power cycled the chrony, made sure the plastic strips were straight etc, same issue. I went back out to adjust to make sure I wasnt off axis and when I touched the front of the Chrony I felt it fall and hit the metal hinge stop. It appeared that I had not fully opened the Chrony so the little optical sensors were angled in toward each other. The error couldnt have been more than a fraction of a degree, but when you are trying to measure a 3000fps projectile in a distance of about 10 inches, I guess it doesnt take much. Not sure if your chronograph is a folding style, but if it is, it is worth looking at. I moved to Magnetospeed for this reason. [/QUOTE]
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