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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why does Barrel fowling spoil accuracy
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<blockquote data-quote="rscott5028" data-source="post: 664425" data-attributes="member: 24624"><p>In addition to other phenomenon cited, I didn't catch where anybody here mentioned bearing surface and twist. </p><p> </p><p>Litz mentioned in another thread regarding the upcoming 7mm 195gr Berger that the extreme length (bearing surface) may lead to excessive fouling for target rifles with long shot strings. </p><p> </p><p>One of the guys at Bartlein also told me that one of the drawbacks of progressive (gain) twist is that there's continuous morphing of the jacket as the rate of twist increases which seems to lead to more fouling. </p><p> </p><p>I do agree with Kevin that not enough attention is paid to proving these things statistically through scientific method. But like MikeCR points out, the study could've benefitted from one or more barrels known/alleged to be negatively impacted by fouling. And, I'd suggest perhaps that some should be included that are known/alleged to be positively affected by fouling. </p><p> </p><p>The great thing about a well thought out experiement is that it should be repeatable. </p><p> </p><p>Good discussion. But, how cool would it be to get paid to research this stuff! </p><p> </p><p>-- richard</p></blockquote><p></p>
[QUOTE="rscott5028, post: 664425, member: 24624"] In addition to other phenomenon cited, I didn't catch where anybody here mentioned bearing surface and twist. Litz mentioned in another thread regarding the upcoming 7mm 195gr Berger that the extreme length (bearing surface) may lead to excessive fouling for target rifles with long shot strings. One of the guys at Bartlein also told me that one of the drawbacks of progressive (gain) twist is that there's continuous morphing of the jacket as the rate of twist increases which seems to lead to more fouling. I do agree with Kevin that not enough attention is paid to proving these things statistically through scientific method. But like MikeCR points out, the study could've benefitted from one or more barrels known/alleged to be negatively impacted by fouling. And, I'd suggest perhaps that some should be included that are known/alleged to be positively affected by fouling. The great thing about a well thought out experiement is that it should be repeatable. Good discussion. But, how cool would it be to get paid to research this stuff! -- richard [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why does Barrel fowling spoil accuracy
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