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Rifles, Reloading, Optics, Equipment
Reloading
How far apart are "nodes"
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<blockquote data-quote="Mikecr" data-source="post: 989969" data-attributes="member: 1521"><p>That's a couple good notions, but not the only ones. </p><p>Don't forget there is more going on than than a single accoustic wave causing bore dimensional changes(not misalignment). There is barrel expansion with bullet travel, elongation, untwisting, whip, interference waves, and recoil. Atleast.</p><p>Then you have pressure tune, powder tune, and timing tune. Atleast.</p><p>Then you add temperature and air density changes, barrel stresses, contours, fluting, relative barrel hanging forces, bedding, theading & threading type, action, recoil stop point/sys, scope attachment, gun hold, bag hardness, etc.</p><p>We cannot see any of this. We're just wading through summnations of it.</p><p></p><p>The closest anybody's come to isolating these various factors, is Harold Vaughn as published in his book Rifle Accuracy Facts. In this, he doesn't conclude anything as simple or cut & dry.</p><p>It isn't simple.</p><p>We have Varmint Al's animations, and Chris Long models, rambling Bill Calfee node theories(all three different),, but you got to remember these are not real. They're theories.</p><p></p><p>I'm suggesting that we really don't know, because we're unable to isolate and affect each alone. For example, no matter what you think seating adjustments are doing, you can bet it fails tests somewhere. There is no predicting of it. It's a significant unknown, always has been. Same with primers & striking. Both of these, seating and ignition, produce far greater deviations than seen with OCW testing.</p><p>Is there an animation out there for these?</p><p>How bout for kitty litter -vs- sand? Or 10deg slope shooting -vs- tune?</p><p></p><p>When we actually know something, we define it. That's science.</p><p>We can't even see atoms yet, but we've defined splitting of them to astonishing accuracy.</p><p>It would take a relative manhattan project to define and predict gun tune just the same. It's that abstract.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 989969, member: 1521"] That's a couple good notions, but not the only ones. Don't forget there is more going on than than a single accoustic wave causing bore dimensional changes(not misalignment). There is barrel expansion with bullet travel, elongation, untwisting, whip, interference waves, and recoil. Atleast. Then you have pressure tune, powder tune, and timing tune. Atleast. Then you add temperature and air density changes, barrel stresses, contours, fluting, relative barrel hanging forces, bedding, theading & threading type, action, recoil stop point/sys, scope attachment, gun hold, bag hardness, etc. We cannot see any of this. We're just wading through summnations of it. The closest anybody's come to isolating these various factors, is Harold Vaughn as published in his book Rifle Accuracy Facts. In this, he doesn't conclude anything as simple or cut & dry. It isn't simple. We have Varmint Al's animations, and Chris Long models, rambling Bill Calfee node theories(all three different),, but you got to remember these are not real. They're theories. I'm suggesting that we really don't know, because we're unable to isolate and affect each alone. For example, no matter what you think seating adjustments are doing, you can bet it fails tests somewhere. There is no predicting of it. It's a significant unknown, always has been. Same with primers & striking. Both of these, seating and ignition, produce far greater deviations than seen with OCW testing. Is there an animation out there for these? How bout for kitty litter -vs- sand? Or 10deg slope shooting -vs- tune? When we actually know something, we define it. That's science. We can't even see atoms yet, but we've defined splitting of them to astonishing accuracy. It would take a relative manhattan project to define and predict gun tune just the same. It's that abstract. [/QUOTE]
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Reloading
How far apart are "nodes"
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