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Rifles, Reloading, Optics, Equipment
Reloading
OBT method, barrel length vs velocity
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<blockquote data-quote="Hawk in WY" data-source="post: 1997580" data-attributes="member: 70947"><p>How about we focus on the original observation:</p><p></p><p>For example, 20", 22", and 24" all have separate ideal recommended optimum barrel times, but they all occur at the same muzzle velocity for a given "node".</p><p></p><p>i am not at my computer with QuickLOAD but this should be easy to confirm. Unexpected finding for sure. My understanding of OBT would not have lead me to this conclusion. But what would I know?</p><p></p><p>As to the second topic, I start every load development with QuickLOAD and then cross check with published data. Works for me. For safety, I usually work up to the second lower node until I know case capacity and velocity.</p></blockquote><p></p>
[QUOTE="Hawk in WY, post: 1997580, member: 70947"] How about we focus on the original observation: For example, 20”, 22”, and 24” all have separate ideal recommended optimum barrel times, but they all occur at the same muzzle velocity for a given “node”. i am not at my computer with QuickLOAD but this should be easy to confirm. Unexpected finding for sure. My understanding of OBT would not have lead me to this conclusion. But what would I know? As to the second topic, I start every load development with QuickLOAD and then cross check with published data. Works for me. For safety, I usually work up to the second lower node until I know case capacity and velocity. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
OBT method, barrel length vs velocity
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