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Long Range Hunting & Shooting
checking volume of brass
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<blockquote data-quote="Pdvdh" data-source="post: 1509015" data-attributes="member: 4191"><p>I can think of some. Case neck thickness and tension could differ, unless you outside neck turn every single case (a prep I complete).</p><p>Mixing brands of brass is an uphill battle, unless measuring case volume is the hobby, in itself.</p><p></p><p>Mixing brands of casings seems like swimming against the tide. Backwards. Like not touching primers with fingers, but then exposing them to direct contact with rubbing alcohol, grain alcohol, or any other fluid besides air.</p><p></p><p>Cartridge brass is more than 8x denser than water. Weighing cases would then improve (lessen) the reliable and repeatable detection level in the determination of a weighed volume of brass 8x over the weighed volume of water, using the same weigh scale.</p><p></p><p>So the reliably detectable change in volume of brass can be 8x smaller in magnitude, than the reliably detectable change in volume of water, based on weight measurement alone, using the same weighing device. Advantage = weighing brass.</p><p></p><p>If the liquid you filled the cases with had a density equal to, or greater than brass, then you'd have a chance of measuring equally small volumetric change.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1509015, member: 4191"] I can think of some. Case neck thickness and tension could differ, unless you outside neck turn every single case (a prep I complete). Mixing brands of brass is an uphill battle, unless measuring case volume is the hobby, in itself. Mixing brands of casings seems like swimming against the tide. Backwards. Like not touching primers with fingers, but then exposing them to direct contact with rubbing alcohol, grain alcohol, or any other fluid besides air. Cartridge brass is more than 8x denser than water. Weighing cases would then improve (lessen) the reliable and repeatable detection level in the determination of a weighed volume of brass 8x over the weighed volume of water, using the same weigh scale. So the reliably detectable change in volume of brass can be 8x smaller in magnitude, than the reliably detectable change in volume of water, based on weight measurement alone, using the same weighing device. Advantage = weighing brass. If the liquid you filled the cases with had a density equal to, or greater than brass, then you'd have a chance of measuring equally small volumetric change. [/QUOTE]
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