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Rifles, Reloading, Optics, Equipment
Reloading
load development
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<blockquote data-quote="Mikecr" data-source="post: 2606029" data-attributes="member: 1521"><p><u>There are 2 independent things tuned by load:</u></p><p>1. Bullet release timing w/resp to barrel vibrations</p><p>2. Attributes of best powder burn</p><p></p><p>Bullet release timing is dominant to results, and normally adjusted with powder, our finest of all adjustments.</p><p>It is unlikely that a tightest grouping powder load just happens to be burning with the lowest ES/SD. </p><p>It could be, but less likely, as there is no reason for best bullet release timing to coincide with best powder burn.</p><p>If you really really want them to coincide, then you need a barrel tuner and understanding of proper load development with one.</p><p></p><p><u>There are several independent prerequisites to load tuning</u>:</p><p>1. Optimum Primer/Primer Striking</p><p>2. Optimum Seating Depth</p><p>3. Stable Cases</p><p></p><p>Prerequisites are [course] items that should be cleared of issue before moving to your [fine] powder development.</p><p>Ideally you can work on these prereqs at your worst potential powder load. This way you're not coming into or out of dominant barrel timing (a node) while you're trying to see optimum primer or seating.</p><p></p><p>If you can get your brain to accept what I'm saying here, then you'll more clearly see your way around tail chasing.</p><p>By the time you get to powder development, you should be past all other factors, and simply adjusting powder (right to the kernel) for best.</p><p>In this case best is either tightest grouping, or if using a tuner then best can be lowest ES/SD, followed by bullet release timing as adjusted by the tuner. Simple,, orderly,, logical.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2606029, member: 1521"] [U]There are 2 independent things tuned by load:[/U] 1. Bullet release timing w/resp to barrel vibrations 2. Attributes of best powder burn Bullet release timing is dominant to results, and normally adjusted with powder, our finest of all adjustments. It is unlikely that a tightest grouping powder load just happens to be burning with the lowest ES/SD. It could be, but less likely, as there is no reason for best bullet release timing to coincide with best powder burn. If you really really want them to coincide, then you need a barrel tuner and understanding of proper load development with one. [U]There are several independent prerequisites to load tuning[/U]: 1. Optimum Primer/Primer Striking 2. Optimum Seating Depth 3. Stable Cases Prerequisites are [course] items that should be cleared of issue before moving to your [fine] powder development. Ideally you can work on these prereqs at your worst potential powder load. This way you're not coming into or out of dominant barrel timing (a node) while you're trying to see optimum primer or seating. If you can get your brain to accept what I'm saying here, then you'll more clearly see your way around tail chasing. By the time you get to powder development, you should be past all other factors, and simply adjusting powder (right to the kernel) for best. In this case best is either tightest grouping, or if using a tuner then best can be lowest ES/SD, followed by bullet release timing as adjusted by the tuner. Simple,, orderly,, logical. [/QUOTE]
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