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Rifles, Reloading, Optics, Equipment
Reloading
ES and seating depth.
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<blockquote data-quote="Tiny Tim" data-source="post: 2900462" data-attributes="member: 87887"><p>As Magnum pointed out, your finding that seating depth changes are affecting your speeds, possibly pushing you in and out of powder nodes. You end up chasing your tail.</p><p></p><p>I used to do it this way until other members pointed me toward seating first. With a chronograph you see these different variables interacting with one another. Do the seating depth test first, and do it outside of a good node. You will find a definitive depth. Then powder charges changes will only change velocity.</p><p></p><p>Last rifle I did this with started at .010 off and saw on average, a reduction of 10 fps for every additional .015 increase in jump.</p></blockquote><p></p>
[QUOTE="Tiny Tim, post: 2900462, member: 87887"] As Magnum pointed out, your finding that seating depth changes are affecting your speeds, possibly pushing you in and out of powder nodes. You end up chasing your tail. I used to do it this way until other members pointed me toward seating first. With a chronograph you see these different variables interacting with one another. Do the seating depth test first, and do it outside of a good node. You will find a definitive depth. Then powder charges changes will only change velocity. Last rifle I did this with started at .010 off and saw on average, a reduction of 10 fps for every additional .015 increase in jump. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
ES and seating depth.
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