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Rifles, Reloading, Optics, Equipment
Reloading
CUPs compaired to PSIs
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<blockquote data-quote="J E Custom" data-source="post: 1216947" data-attributes="member: 2736"><p>I still cant fine any direct comparison between the two and It would be nice to have a chart/formula </p><p>that would compare them.</p><p></p><p>I have acquired many loading manuals over the years and some have tested CUPs in pressure test barrels/gun, Most if not all load data now days is all calculated.</p><p></p><p>Some have tried and true real world loads in cartridges and barrel lengths. I still use some of them</p><p>and I would like to be able to know what PSI they were.</p><p></p><p>Reading the brass is not a very good way to work up loads and buy the time you see signs of pressure you have gone to far in most cases and with the different brands of brass comes different harnesses making it very un reliable.</p><p></p><p>Just thought I would find out if anyone could come up with a good comparison that was tested against CUPs that could give accurate comparisons to PSIs.</p><p></p><p>Here is the best information I could find and still doesn't help much. (There may not be any way to convert one to another but it would be nice to have something. </p><p></p><p> <a href="http://bulletin.accurateshooter.com/2014/10/cup-vs-psi-whats-the-difference-in-pressure-measurements/" target="_blank">http://bulletin.accurateshooter.com/2014/10/cup-vs-psi-whats-the-difference-in-pressure-measurements/</a></p><p></p><p>Hoping some of you math prodigies could help. Any help would be appreciated. </p><p></p><p>thanks</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1216947, member: 2736"] I still cant fine any direct comparison between the two and It would be nice to have a chart/formula that would compare them. I have acquired many loading manuals over the years and some have tested CUPs in pressure test barrels/gun, Most if not all load data now days is all calculated. Some have tried and true real world loads in cartridges and barrel lengths. I still use some of them and I would like to be able to know what PSI they were. Reading the brass is not a very good way to work up loads and buy the time you see signs of pressure you have gone to far in most cases and with the different brands of brass comes different harnesses making it very un reliable. Just thought I would find out if anyone could come up with a good comparison that was tested against CUPs that could give accurate comparisons to PSIs. Here is the best information I could find and still doesn't help much. (There may not be any way to convert one to another but it would be nice to have something. [url]http://bulletin.accurateshooter.com/2014/10/cup-vs-psi-whats-the-difference-in-pressure-measurements/[/url] Hoping some of you math prodigies could help. Any help would be appreciated. thanks J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
CUPs compaired to PSIs
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