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The Basics, Starting Out
Chronograph question.
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<blockquote data-quote="PAMONTY" data-source="post: 53812" data-attributes="member: 1520"><p>Brent</p><p> Thanks, I have mainly used my chrony for velocity readings in the past. I can see now how to find bad brass in the lot.</p><p> Funny you picked up on the 47 SD, this string had a ES of 104 fps. I was shocked at first but after looking into things closer I found A Winchester case in with my Norma. All the other brass was Norma. I would have never guessed brass would make that much differance.</p><p> Also in the past I have tried to keep my ES under 30. I'm getting the feel that this maybe pushing the outside edge. I'm going to do some tests and see if I can get this number to tighten up.</p><p></p><p> What would be a good number of rounds to fire to get a accurate reading?</p></blockquote><p></p>
[QUOTE="PAMONTY, post: 53812, member: 1520"] Brent Thanks, I have mainly used my chrony for velocity readings in the past. I can see now how to find bad brass in the lot. Funny you picked up on the 47 SD, this string had a ES of 104 fps. I was shocked at first but after looking into things closer I found A Winchester case in with my Norma. All the other brass was Norma. I would have never guessed brass would make that much differance. Also in the past I have tried to keep my ES under 30. I'm getting the feel that this maybe pushing the outside edge. I'm going to do some tests and see if I can get this number to tighten up. What would be a good number of rounds to fire to get a accurate reading? [/QUOTE]
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