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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension vs Bullet Seating & Release Pressure - Lessons Learned
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<blockquote data-quote="Tiny Tim" data-source="post: 2761983" data-attributes="member: 87887"><p>Thanks for your efforts. They reveal some of what we know/suspect in a methodical effort. As Mikecr points out, what we refer to as neck tension (more accurately, interference fit), is really an effort to control hoop tension which we have no way of accurately measuring. But your small sampling in as scientific a manner as you are capable, reveal the effects in more tangible ways. If this data were complimented by pressure and velocity data, we may better begin to more fully understand how these truly effect one another.</p><p>As far as others reporting various effects of severe neck interference (.003 plus), brass composition and hardness may have some bearing on these values. These would be affected by number of firings, state of annealing, etc... I am no scientist or metallurgist, but I know a great many things are at work in these processes.</p><p>Thanks for your efforts</p></blockquote><p></p>
[QUOTE="Tiny Tim, post: 2761983, member: 87887"] Thanks for your efforts. They reveal some of what we know/suspect in a methodical effort. As Mikecr points out, what we refer to as neck tension (more accurately, interference fit), is really an effort to control hoop tension which we have no way of accurately measuring. But your small sampling in as scientific a manner as you are capable, reveal the effects in more tangible ways. If this data were complimented by pressure and velocity data, we may better begin to more fully understand how these truly effect one another. As far as others reporting various effects of severe neck interference (.003 plus), brass composition and hardness may have some bearing on these values. These would be affected by number of firings, state of annealing, etc... I am no scientist or metallurgist, but I know a great many things are at work in these processes. Thanks for your efforts [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Neck Tension vs Bullet Seating & Release Pressure - Lessons Learned
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