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Rifles, Reloading, Optics, Equipment
Reloading
Accurate 4350: Low Velocities
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<blockquote data-quote="Veteran" data-source="post: 2278127" data-attributes="member: 118038"><p>Those burn rate charts are relative and qualitative but not quantitative at all. Yes, it shows Accurate 4350 as slower than IMR 4350 and H4350, both if which have a quantitative burn rate of about 0.51</p><p></p><p>But Accurate 4350 has a numerical burn rate of only about 0.38</p><p></p><p>That's about a 25% difference......that's a lot slower...</p><p></p><p>I really dont like those burn rate charts that much... I have even seen examples of where powders are reversed in one chart vs. another chart..... they are really only a very gross cut at trying to rank powders from fast to slow.</p><p></p><p>When specific lots of a given powder can even vary from 5 to 10%, I guess its no wonder one chart can show a different order from another one.</p><p></p><p>The charts are somewhat useful, but what your rifles and velocities told you is the truth. Those charts </p><p>are not to be relied on as much as the actual performance data.</p></blockquote><p></p>
[QUOTE="Veteran, post: 2278127, member: 118038"] Those burn rate charts are relative and qualitative but not quantitative at all. Yes, it shows Accurate 4350 as slower than IMR 4350 and H4350, both if which have a quantitative burn rate of about 0.51 But Accurate 4350 has a numerical burn rate of only about 0.38 That's about a 25% difference......that's a lot slower... I really dont like those burn rate charts that much... I have even seen examples of where powders are reversed in one chart vs. another chart..... they are really only a very gross cut at trying to rank powders from fast to slow. When specific lots of a given powder can even vary from 5 to 10%, I guess its no wonder one chart can show a different order from another one. The charts are somewhat useful, but what your rifles and velocities told you is the truth. Those charts are not to be relied on as much as the actual performance data. [/QUOTE]
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Accurate 4350: Low Velocities
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