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Rifles, Reloading, Optics, Equipment
Reloading
What is a "Ladder Test"?
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<blockquote data-quote="BountyHunter" data-source="post: 81023" data-attributes="member: 12"><p><strong>Re: What is a \"Ladder Test\"?</strong></p><p></p><p>Recommend that you keep the jump in powder increments to no more than .3 gr. If you use .5 you can skip over a node completely.</p><p></p><p>You are looking for 3-4 bullets to group together AND have similar MV. Both will group together normally to indicate the node.</p><p></p><p>I use either .2 or .3 grain increments over that 4 grain range and normally find about 3-4 nodes.</p><p></p><p>You will find that the groups normally match similar grouping of MV. That is your node normally. A chrono is an absolute must. </p><p></p><p>You can fine tune from there and I normally try to pick a powder weight in the middle of the node with the target MV that I am looking for. That way I am not subject to groups deteriorating on a hot day etc.</p><p></p><p>BH</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 81023, member: 12"] [b]Re: What is a \"Ladder Test\"?[/b] Recommend that you keep the jump in powder increments to no more than .3 gr. If you use .5 you can skip over a node completely. You are looking for 3-4 bullets to group together AND have similar MV. Both will group together normally to indicate the node. I use either .2 or .3 grain increments over that 4 grain range and normally find about 3-4 nodes. You will find that the groups normally match similar grouping of MV. That is your node normally. A chrono is an absolute must. You can fine tune from there and I normally try to pick a powder weight in the middle of the node with the target MV that I am looking for. That way I am not subject to groups deteriorating on a hot day etc. BH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What is a "Ladder Test"?
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