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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
NON-TYPICAL rifle build in mind; need some help...
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<blockquote data-quote="nkyshooter" data-source="post: 2101431" data-attributes="member: 83787"><p>"es" = Extreme Spread - the difference from the maximum and the minimum velocity of a given string of shots. The tighter they are, the more consistent the downrange elevation can potentially be.</p><p></p><p>In addition to low ES, we also want as low as possible SD (standard deviation) which is the positive and negative variation ("deviation") from the average within 1 standard deviation. <a href="https://en.wikipedia.org/wiki/Standard_deviation" target="_blank">https://en.wikipedia.org/wiki/Standard_deviation</a></p><p></p><p>Redneck descriptions ...</p><p></p><p>ES - difference between fastest and slowest</p><p>SD - how much faster or slower the closest 2/3(ish) are from the overall average</p></blockquote><p></p>
[QUOTE="nkyshooter, post: 2101431, member: 83787"] "es" = Extreme Spread - the difference from the maximum and the minimum velocity of a given string of shots. The tighter they are, the more consistent the downrange elevation can potentially be. In addition to low ES, we also want as low as possible SD (standard deviation) which is the positive and negative variation ("deviation") from the average within 1 standard deviation. [URL]https://en.wikipedia.org/wiki/Standard_deviation[/URL] Redneck descriptions ... ES - difference between fastest and slowest SD - how much faster or slower the closest 2/3(ish) are from the overall average [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
NON-TYPICAL rifle build in mind; need some help...
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