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Rifles, Reloading, Optics, Equipment
Reloading
How Do I Figure a Starting Load?
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<blockquote data-quote="R.Ph. 380" data-source="post: 486931" data-attributes="member: 32208"><p>OK, I've filled a military 308 case with Varget Powder and the powder weighed 49.5 grn. I then filled an exactly same case length 308 Winchester civilian case and the powder weighed 54.3 grn. That's a difference of 4.8grns. Now, that differential will hold true for only Varget or should I subtract the percentage from the published powder weights of any round. I'm loading 44 grns of Varget in Winchester brass, 150 grn BTSP with CCI LRP. Will that translate to 40.305 grn in my LC military brass I was just gifted with? <strong>Is the volume vs weight vs pressure a linear equation? </strong>If not, where do I start to work up a load? Pick an arbitrary point?</p><p></p><p>My question, will the percentage differential or 91.1602% hold true for other powders or do I have to recalculate for each powder? Will it give me the weight of other powders or just a general idea of where to start? </p><p></p><p>Bill </p><p>__________________</p></blockquote><p></p>
[QUOTE="R.Ph. 380, post: 486931, member: 32208"] OK, I've filled a military 308 case with Varget Powder and the powder weighed 49.5 grn. I then filled an exactly same case length 308 Winchester civilian case and the powder weighed 54.3 grn. That's a difference of 4.8grns. Now, that differential will hold true for only Varget or should I subtract the percentage from the published powder weights of any round. I'm loading 44 grns of Varget in Winchester brass, 150 grn BTSP with CCI LRP. Will that translate to 40.305 grn in my LC military brass I was just gifted with? [B]Is the volume vs weight vs pressure a linear equation? [/B]If not, where do I start to work up a load? Pick an arbitrary point? My question, will the percentage differential or 91.1602% hold true for other powders or do I have to recalculate for each powder? Will it give me the weight of other powders or just a general idea of where to start? Bill __________________ [/QUOTE]
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Reloading
How Do I Figure a Starting Load?
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