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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Secondary Explosion Effect? Or.....?
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<blockquote data-quote="Mikecr" data-source="post: 855959" data-attributes="member: 1521"><p>I only persist with the question because it presents an opportunity to learn the 'hows' of consensus.</p><p></p><p>Try this.. Maybe gas blows by shoulder, then case expands first sealing necks to trap the gas, then shoulders, then near webs. This, compressing the blowby gas tightly to the weakest point of a case body(near the shoulder). At that point the compressed blowby gas would be xx PSI above it's trapped pressure while in a smaller area. Then as bore/chamber pressure falls, and the case is still sealed, a point is reached where the trapped gas is higher in pressure than chamber, allowing indentation of a case.</p><p>With low enough pressure the case springs back from chamber walls as usual but exhibiting a strange dent.</p><p></p><p>How's that?</p><p>It's the only thing i can come up with</p></blockquote><p></p>
[QUOTE="Mikecr, post: 855959, member: 1521"] I only persist with the question because it presents an opportunity to learn the 'hows' of consensus. Try this.. Maybe gas blows by shoulder, then case expands first sealing necks to trap the gas, then shoulders, then near webs. This, compressing the blowby gas tightly to the weakest point of a case body(near the shoulder). At that point the compressed blowby gas would be xx PSI above it's trapped pressure while in a smaller area. Then as bore/chamber pressure falls, and the case is still sealed, a point is reached where the trapped gas is higher in pressure than chamber, allowing indentation of a case. With low enough pressure the case springs back from chamber walls as usual but exhibiting a strange dent. How's that? It's the only thing i can come up with [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Secondary Explosion Effect? Or.....?
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