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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Quickload velocity prediction
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<blockquote data-quote="Pdvdh" data-source="post: 1395825" data-attributes="member: 4191"><p>Interesting stuff from Quickload. I don't own or use it, so I don't fully understand all the produced information. Not trying to dismiss the value of it.</p><p></p><p>If the OP's Remington cases hold primer pockets for 7 or more firings at his powder charges, then that would be the most definitive guide to acceptably safe operating pressure. If the pressures are there, the case head will yield to them, and the primer pockets will loosen up over repeated firings.</p><p></p><p>This is analogous to saying that the yield strain of the brass is the most reliable property, and indicator of pressure, in the mix. Quickload is the mathematical modeling of operating pressure. The yield strain of brass cases is set in concrete. A reasonably known, hard value. Rem brass will yield to excess operating pressure, no matter what a model predicts. And if it doesn't expand, the excess pressure isn't there no matter what the model predicted.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1395825, member: 4191"] Interesting stuff from Quickload. I don't own or use it, so I don't fully understand all the produced information. Not trying to dismiss the value of it. If the OP's Remington cases hold primer pockets for 7 or more firings at his powder charges, then that would be the most definitive guide to acceptably safe operating pressure. If the pressures are there, the case head will yield to them, and the primer pockets will loosen up over repeated firings. This is analogous to saying that the yield strain of the brass is the most reliable property, and indicator of pressure, in the mix. Quickload is the mathematical modeling of operating pressure. The yield strain of brass cases is set in concrete. A reasonably known, hard value. Rem brass will yield to excess operating pressure, no matter what a model predicts. And if it doesn't expand, the excess pressure isn't there no matter what the model predicted. [/QUOTE]
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Quickload velocity prediction
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