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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension
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<blockquote data-quote="Mikecr" data-source="post: 1724571" data-attributes="member: 1521"><p>If you keep drinking the kool-aid, you will end up hopelessly separated from truths..</p><p>I see endorsement of FULL annealing. It's implied (as though a great condition) in the 'study', declaring that their "correctly annealed cases" for the test have no spring back at all. They're dead. They also disclaim accuracy results here as it's dismissed from the actual endeavor.</p><p>I don't know if they really believe that's what we want or not (they seem to). But to sell us on that, they continually set up conditions to demonstrate how <em>consistent</em> dead brass is..</p><p></p><p>Yes, dead cases have little to no spring back,, and yes that will vary little.</p><p>I'll even concede that this would be great provided your load performs well with dead brass. But you know what? New Lapua brass is not killed with full annealing. It comes to you in a process annealed condition, which is merely stress relieved. New Lapua brass <u>does</u> spring back outward from bushing sizing without expansion(a little). Same with shoulder bumping. It has life in it. This is normal, and what most of us are managing.</p><p></p><p>Seating force and pre-seating force measure has been around a long time. Even systems with similar software. What all of you need to understand for yourselves, is that seating force is very heavily tied to friction and not a direct measure of tension. It is useful, if no more than a comparative sense, to detect tension changes -provided you tightly control friction(normalizing it).</p><p>Also, go ahead and consider interference fit as meaningless to actual tension.</p><p>Just try it, and think about it on your own.</p><p>I could describe simple tests you can do yourself to see it. An adage this would lead you to is "Truths pass all tests". But I invite you to think & stop blindly following mass sentiments, or worse, merchandising.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1724571, member: 1521"] If you keep drinking the kool-aid, you will end up hopelessly separated from truths.. I see endorsement of FULL annealing. It's implied (as though a great condition) in the 'study', declaring that their "correctly annealed cases" for the test have no spring back at all. They're dead. They also disclaim accuracy results here as it's dismissed from the actual endeavor. I don't know if they really believe that's what we want or not (they seem to). But to sell us on that, they continually set up conditions to demonstrate how [I]consistent[/I] dead brass is.. Yes, dead cases have little to no spring back,, and yes that will vary little. I'll even concede that this would be great provided your load performs well with dead brass. But you know what? New Lapua brass is not killed with full annealing. It comes to you in a process annealed condition, which is merely stress relieved. New Lapua brass [U]does[/U] spring back outward from bushing sizing without expansion(a little). Same with shoulder bumping. It has life in it. This is normal, and what most of us are managing. Seating force and pre-seating force measure has been around a long time. Even systems with similar software. What all of you need to understand for yourselves, is that seating force is very heavily tied to friction and not a direct measure of tension. It is useful, if no more than a comparative sense, to detect tension changes -provided you tightly control friction(normalizing it). Also, go ahead and consider interference fit as meaningless to actual tension. Just try it, and think about it on your own. I could describe simple tests you can do yourself to see it. An adage this would lead you to is "Truths pass all tests". But I invite you to think & stop blindly following mass sentiments, or worse, merchandising. [/QUOTE]
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