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Rifles, Reloading, Optics, Equipment
Reloading
OBT method, barrel length vs velocity
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<blockquote data-quote="Mikecr" data-source="post: 1997543" data-attributes="member: 1521"><p>OBT is not tuning. Lend no credibility to anyone thinking it is.</p><p>Instead, it's really about calculated barrel times to AVOID (inverse of that proposed). </p><p>Vibrations to avoid being at muzzle on bullet release.</p><p></p><p>OBT <u>should</u> be referred to as Bad Barrel Timing, BBT, and report only on that.</p><p>Someday we'll have a similar calc for best bullet seating. Again, this will not be tuning, but a prerequisite condition better or worse.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1997543, member: 1521"] OBT is not tuning. Lend no credibility to anyone thinking it is. Instead, it's really about calculated barrel times to AVOID (inverse of that proposed). Vibrations to avoid being at muzzle on bullet release. OBT [U]should[/U] be referred to as Bad Barrel Timing, BBT, and report only on that. Someday we'll have a similar calc for best bullet seating. Again, this will not be tuning, but a prerequisite condition better or worse. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
OBT method, barrel length vs velocity
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