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Rifles, Reloading, Optics, Equipment
Reloading
Large rifle primers
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<blockquote data-quote="Hugnot" data-source="post: 2778952" data-attributes="member: 115658"><p>Some academics did a primer test some time ago using high-speed pressure transducers.</p><p></p><p>[URL unfurl="true"]https://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf[/URL]</p><p></p><p>Of those tested, shows Fed 215's had strongest blast pressure, CCI 200 the least. Pressures were measured in kilo Pascals (kP's). Small primers were also tested. Pressure data, as shown on graphs, have similar shapes indicating impulse proportional to peak pressure(s).</p><p></p><p>I happened upon a brick of Fed 215's at Scheels months ago for less than $90 & have been using the 215's with ball powders from .22-.250 up.</p><p></p><p>Rem 7 1/2's, SRP's, reliably set off 40 grain plus charges of ball powder like StaBall in 6.5 CM. I just bought a brick of 7 1/2's for $77.</p><p></p><p>If a robin, that was hunting worms on some lawn, ingested gun powder would the robin suffer cardiac arrest (heart attack)?</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2778952, member: 115658"] Some academics did a primer test some time ago using high-speed pressure transducers. [URL unfurl="true"]https://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf[/URL] Of those tested, shows Fed 215's had strongest blast pressure, CCI 200 the least. Pressures were measured in kilo Pascals (kP's). Small primers were also tested. Pressure data, as shown on graphs, have similar shapes indicating impulse proportional to peak pressure(s). I happened upon a brick of Fed 215's at Scheels months ago for less than $90 & have been using the 215's with ball powders from .22-.250 up. Rem 7 1/2's, SRP's, reliably set off 40 grain plus charges of ball powder like StaBall in 6.5 CM. I just bought a brick of 7 1/2's for $77. If a robin, that was hunting worms on some lawn, ingested gun powder would the robin suffer cardiac arrest (heart attack)? [/QUOTE]
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Large rifle primers
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