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Hunting
Long Range Hunting & Shooting
Need help with "true velocity" for a drop chart
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<blockquote data-quote="Greyfox" data-source="post: 531663" data-attributes="member: 10291"><p>This might be a dumb question. Are you using the g7, ballistic coefficient of the bullet iin a G7 calibrated program. If you use G7 BC 's with a G1 program you will get screwy velocities. The value. you site appears to be a G1 value. The G7 value is a lower value. I tried what your doing and was able to get pretty close. While it is claimed that the G7 is a better formula, I was able to match up very close to my chronograph using G1. I also have trouble trusting or relying only on my chronograph.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 531663, member: 10291"] This might be a dumb question. Are you using the g7, ballistic coefficient of the bullet iin a G7 calibrated program. If you use G7 BC 's with a G1 program you will get screwy velocities. The value. you site appears to be a G1 value. The G7 value is a lower value. I tried what your doing and was able to get pretty close. While it is claimed that the G7 is a better formula, I was able to match up very close to my chronograph using G1. I also have trouble trusting or relying only on my chronograph. [/QUOTE]
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Need help with "true velocity" for a drop chart
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