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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Allen Mag test rifle finished.....
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<blockquote data-quote="ricka0" data-source="post: 76500" data-attributes="member: 3086"><p><strong>Re: wc872 burn rate</strong></p><p></p><p>Maybe this can settle the debate. I've emailed my PhD chemist pal with the following experiment design.</p><p></p><p>Find loads in my 300 RUM producing the same Vel using H50-BMG and wc872. Attach a thermocouple and a RSI pressure Trace. If the velocities are the same, the area under the curve must be the same (do we agree on that)? Measure the temp.</p><p></p><p>I will have to find a load that burns all the powder of the H50BMG - or the results will be bogus - as the H50BMG remaining after bullet exit simply heats the barrel and does not contribute measurably to acceleration (contrary to your favorite author).</p><p></p><p>The chemist will probably find flaws with my experiment, as he did with my Ammonia dissolving copper experiment. The biggest problem I see is too much powder.</p></blockquote><p></p>
[QUOTE="ricka0, post: 76500, member: 3086"] [b]Re: wc872 burn rate[/b] Maybe this can settle the debate. I've emailed my PhD chemist pal with the following experiment design. Find loads in my 300 RUM producing the same Vel using H50-BMG and wc872. Attach a thermocouple and a RSI pressure Trace. If the velocities are the same, the area under the curve must be the same (do we agree on that)? Measure the temp. I will have to find a load that burns all the powder of the H50BMG - or the results will be bogus - as the H50BMG remaining after bullet exit simply heats the barrel and does not contribute measurably to acceleration (contrary to your favorite author). The chemist will probably find flaws with my experiment, as he did with my Ammonia dissolving copper experiment. The biggest problem I see is too much powder. [/QUOTE]
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7mm Allen Mag test rifle finished.....
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