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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Calculating B.C. with LabRadar. Tutorial on my method.
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<blockquote data-quote="VenatusDominus" data-source="post: 2619257" data-attributes="member: 117869"><p>Using the velocity numbers from the 4DOF program (and yards instead of feet <img class="smilie smilie--emoji" loading="lazy" alt="🤣" title="Rolling on the floor laughing :rofl:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f923.png" data-shortname=":rofl:" />), the JBM Ballistics program gives me a G7 of .362 for the first 100 yards and a G7 of .317 from 900 to 1000 yards. If I use the MV and 1000 yard velocity I get a G7 of .341, and MV - 700 yards give a G7 of .351 which is the published G7 from Hornady for the 6.5mm 147 ELD-M. Based on this, wouldn't the 100 yard (or even 200 yard) LabRadar data yield a BC too high to produce accurate DOPE for long range shooting?</p></blockquote><p></p>
[QUOTE="VenatusDominus, post: 2619257, member: 117869"] Using the velocity numbers from the 4DOF program (and yards instead of feet 🤣), the JBM Ballistics program gives me a G7 of .362 for the first 100 yards and a G7 of .317 from 900 to 1000 yards. If I use the MV and 1000 yard velocity I get a G7 of .341, and MV - 700 yards give a G7 of .351 which is the published G7 from Hornady for the 6.5mm 147 ELD-M. Based on this, wouldn't the 100 yard (or even 200 yard) LabRadar data yield a BC too high to produce accurate DOPE for long range shooting? [/QUOTE]
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Calculating B.C. with LabRadar. Tutorial on my method.
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