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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why I think the Satterlee and Audette Ladder Tests Work and Why-- You Decide!
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<blockquote data-quote="Veteran" data-source="post: 2443355" data-attributes="member: 118038"><p>Harral in his work is looking at examples with .3 or .4 inches of dispersion for good groups and maybe double that for bad ones.</p><p></p><p>He shows this on MPC curves and by ladder test results with different barrel positions caused by harmonics. </p><p></p><p>But, I would not discount 2-3 inches of dispersion even at 100 yards depending on how bad the harmonics are what kind of </p><p>stiffness, and taper the specific barrel has and its weight, all of this against how powerful a load is being discharged in it.</p><p></p><p>Go here and dig down into his work, and you will get some insights on more normal cases.</p><p></p><p>[URL unfurl="true"]https://www.longrangehunting.com/threads/barrel-harmonics-are-a-lot-more-important-than-you-may-think-or-know-heres-proof.294317/[/URL]</p></blockquote><p></p>
[QUOTE="Veteran, post: 2443355, member: 118038"] Harral in his work is looking at examples with .3 or .4 inches of dispersion for good groups and maybe double that for bad ones. He shows this on MPC curves and by ladder test results with different barrel positions caused by harmonics. But, I would not discount 2-3 inches of dispersion even at 100 yards depending on how bad the harmonics are what kind of stiffness, and taper the specific barrel has and its weight, all of this against how powerful a load is being discharged in it. Go here and dig down into his work, and you will get some insights on more normal cases. [URL unfurl="true"]https://www.longrangehunting.com/threads/barrel-harmonics-are-a-lot-more-important-than-you-may-think-or-know-heres-proof.294317/[/URL] [/QUOTE]
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Why I think the Satterlee and Audette Ladder Tests Work and Why-- You Decide!
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