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Rifles, Reloading, Optics, Equipment
Reloading
Weird Issue with Run out
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<blockquote data-quote="Aldon" data-source="post: 458147" data-attributes="member: 20047"><p>The Sinclair unit is #09-150. It is dial faced or Analog vs digital. I like the idea of watching the needle sway vs digital numbers....more intuitive in my mind. It is the bearing block with indicator i believe. 4 false round rests that appear to be bearing balls but are only really rests.</p><p></p><p>The location I chose to measure is nearer the point, basically approximately where the lands would engage.</p><p></p><p>I have the ability to measure necks with digital Tube micrometer and stand, however I have not yet turned necks nor do I have the equipment to do so yet. (next on the list). </p><p></p><p>I have no tight necked rifles and thinking that any error would be pushed to the exterior of the necks, I left this as the last priority, knowing that it will eventually need to be tackled. So I measured the necks and the readings i get are similar to this case:4 measurements around diameter- .0127, .0147, .0137, .0138....one of the more evenly distributed is .01470, .0145, .0145, 0.143...</p><p></p><p>I understand that the tensions and accuracy are affected by having the tension of the necks uneven, but for now, that is good enough for a hunting round. But having the concentricity as far off as it was seems to me to be an immediate concern.</p><p></p><p>I use the full length sizer to bump the necks when I use the full length die to bump and that is due to only needing to do so recently. </p><p></p><p>The Redding Bump dies are being acquired as they become needed and funds allow. Only so much in the proverbial piggy bank and it appears they will need to be prioritized a bit higher.</p><p></p><p>As to the seating bullets without proper sizing I only just realized(feeling stupid publicly..sigh) that is what I had done by seating after sizing without the expander. Agreed, not proper methodology. But it did yield the only accuracy run out wise. Fear not, there is no powder and it was done experimentally as I was trying to troubleshoot the root cause. </p><p></p><p>Thanks for any ideas to try. May not get back to them fully until next weekend though.</p></blockquote><p></p>
[QUOTE="Aldon, post: 458147, member: 20047"] The Sinclair unit is #09-150. It is dial faced or Analog vs digital. I like the idea of watching the needle sway vs digital numbers....more intuitive in my mind. It is the bearing block with indicator i believe. 4 false round rests that appear to be bearing balls but are only really rests. The location I chose to measure is nearer the point, basically approximately where the lands would engage. I have the ability to measure necks with digital Tube micrometer and stand, however I have not yet turned necks nor do I have the equipment to do so yet. (next on the list). I have no tight necked rifles and thinking that any error would be pushed to the exterior of the necks, I left this as the last priority, knowing that it will eventually need to be tackled. So I measured the necks and the readings i get are similar to this case:4 measurements around diameter- .0127, .0147, .0137, .0138....one of the more evenly distributed is .01470, .0145, .0145, 0.143... I understand that the tensions and accuracy are affected by having the tension of the necks uneven, but for now, that is good enough for a hunting round. But having the concentricity as far off as it was seems to me to be an immediate concern. I use the full length sizer to bump the necks when I use the full length die to bump and that is due to only needing to do so recently. The Redding Bump dies are being acquired as they become needed and funds allow. Only so much in the proverbial piggy bank and it appears they will need to be prioritized a bit higher. As to the seating bullets without proper sizing I only just realized(feeling stupid publicly..sigh) that is what I had done by seating after sizing without the expander. Agreed, not proper methodology. But it did yield the only accuracy run out wise. Fear not, there is no powder and it was done experimentally as I was trying to troubleshoot the root cause. Thanks for any ideas to try. May not get back to them fully until next weekend though. [/QUOTE]
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Weird Issue with Run out
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