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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger 215 twist rate??
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<blockquote data-quote="dfanonymous" data-source="post: 1792873" data-attributes="member: 97050"><p>There's a point where you are just adding more drift and stop gaining any advantage. So to be clear the experiment results were that the BC drops by about 3% for every 0.1 that SG falls below 1.5. "The data supports a correlation coefficient of 0.87 for this relationship. That means the 3% per 0.1 unit of SG is an accurate trend, but isn't necessarily exact for every scenario."</p><p></p><p>So in theory you do "maintain or gain" BC in his test but I admit, I think people worry to much about these spin rates on here. If you are shooting in this hair splitting capacity, then you're probably not asking these questions.</p><p></p><p>For anyone else wanting to know the sources it's in litz's "modern advancement" edition series. It goes into detail.</p></blockquote><p></p>
[QUOTE="dfanonymous, post: 1792873, member: 97050"] There’s a point where you are just adding more drift and stop gaining any advantage. So to be clear the experiment results were that the BC drops by about 3% for every 0.1 that SG falls below 1.5. “The data supports a correlation coefficient of 0.87 for this relationship. That means the 3% per 0.1 unit of SG is an accurate trend, but isn’t necessarily exact for every scenario.” So in theory you do “maintain or gain” BC in his test but I admit, I think people worry to much about these spin rates on here. If you are shooting in this hair splitting capacity, then you’re probably not asking these questions. For anyone else wanting to know the sources it’s in litz’s “modern advancement” edition series. It goes into detail. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Berger 215 twist rate??
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