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Rifles, Reloading, Optics, Equipment
Reloading
Charge weight vs volume, in filled cases - mind blowing discovery?
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<blockquote data-quote="MagnumManiac" data-source="post: 922050" data-attributes="member: 10755"><p>I would also like to add that with my own experimenting wth case weight and case capacity, that the differences in case capacity were far less affected if the charge density, or put in other words the packing scheme of the case over actual charge weight variations made more of a difference to low ES and SD numbers. I used a 'swirl charge' technique of getting the powder to settle to the same height in the case by tilting a powder funnel and pouring the powder into the case so that the powder swirled around the axis of the funnel and made the powder settle into a denser column, as compared to being just dumped by the measure. The difference was substantial between 'as dumped' from the measure to being 'swirl charged' by the funnel.</p><p>Variations in velocity were dramatically reduced and the load was easier to tune with less rounds fired down range. It appears to work best with compressed loads, either heavily or mildly compressed slower powders have the largest differences.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 922050, member: 10755"] I would also like to add that with my own experimenting wth case weight and case capacity, that the differences in case capacity were far less affected if the charge density, or put in other words the packing scheme of the case over actual charge weight variations made more of a difference to low ES and SD numbers. I used a 'swirl charge' technique of getting the powder to settle to the same height in the case by tilting a powder funnel and pouring the powder into the case so that the powder swirled around the axis of the funnel and made the powder settle into a denser column, as compared to being just dumped by the measure. The difference was substantial between 'as dumped' from the measure to being 'swirl charged' by the funnel. Variations in velocity were dramatically reduced and the load was easier to tune with less rounds fired down range. It appears to work best with compressed loads, either heavily or mildly compressed slower powders have the largest differences. Cheers. gun) [/QUOTE]
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Reloading
Charge weight vs volume, in filled cases - mind blowing discovery?
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