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Rifles, Reloading, Optics, Equipment
Reloading
Same volume of powder, different weight?
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<blockquote data-quote="MagnumManiac" data-source="post: 324163" data-attributes="member: 10755"><p>Winchester69 has it right!</p><p>Even if you weigh your powder precisely on one day, on another day it MAY be different due to humidity changes.</p><p>Whether it's weighed or measured, a .1gr+/- is not going to show any significant change in velocity, but due to the same humidity change, it may show a significant vertical dispersion on target due to changes in combustion.</p><p>This is a little known fact by many loaders, that's why in benchrest they tune their loads on the day, not the week before!</p><p>I always use the same setting on my measure, whether it corresponds with the initial weight setting or not! I have had differing weights of 1.5gr's on any given day, and it doesn't seem to affect accuracy or velocity a great deal. Rarely does this pose a problem once a 'node' is found, a good 'node' will run 1gr+/- without affecting anything drastically.</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 324163, member: 10755"] Winchester69 has it right! Even if you weigh your powder precisely on one day, on another day it MAY be different due to humidity changes. Whether it's weighed or measured, a .1gr+/- is not going to show any significant change in velocity, but due to the same humidity change, it may show a significant vertical dispersion on target due to changes in combustion. This is a little known fact by many loaders, that's why in benchrest they tune their loads on the day, not the week before! I always use the same setting on my measure, whether it corresponds with the initial weight setting or not! I have had differing weights of 1.5gr's on any given day, and it doesn't seem to affect accuracy or velocity a great deal. Rarely does this pose a problem once a 'node' is found, a good 'node' will run 1gr+/- without affecting anything drastically. :D [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Same volume of powder, different weight?
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