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Rifles, Reloading, Optics, Equipment
Reloading
Neck tension and max bullet grip force
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<blockquote data-quote="Mikecr" data-source="post: 2135559" data-attributes="member: 1521"><p>We do need enough friction to keep bullet seating from changing.</p><p>Their other notion of function is hogwash. If necks did not expand and bullets had to be pushed through their friction, everything about our loads would be different today, as otherwise our guns would explode.</p><p>Necks are the first case expansion, into clearance provided, to release bullets. </p><p></p><p>longestrange, a testing rig would follow your line of thinking.</p><p>But, it would be of little use to merely test a representative sample. We need to test each actual case at a point where we can adjust and retest until reaching desired.</p><p>Similar to my approach with an instrumented mandrel die. I test 'pre-seating' forces, so that I can adjust each to desired -before seating actual bullets. This way all necks match before seating.</p><p>It works because I do not leave necks in so much interference that later bullet seating would change my numbers (no seating upsizing).</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2135559, member: 1521"] We do need enough friction to keep bullet seating from changing. Their other notion of function is hogwash. If necks did not expand and bullets had to be pushed through their friction, everything about our loads would be different today, as otherwise our guns would explode. Necks are the first case expansion, into clearance provided, to release bullets. longestrange, a testing rig would follow your line of thinking. But, it would be of little use to merely test a representative sample. We need to test each actual case at a point where we can adjust and retest until reaching desired. Similar to my approach with an instrumented mandrel die. I test 'pre-seating' forces, so that I can adjust each to desired -before seating actual bullets. This way all necks match before seating. It works because I do not leave necks in so much interference that later bullet seating would change my numbers (no seating upsizing). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck tension and max bullet grip force
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