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Rifles, Reloading, Optics, Equipment
Reloading
Looking for powder thrower + scale
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<blockquote data-quote="Mike6158" data-source="post: 3059001" data-attributes="member: 1039"><p>I "fact check" my vintage RCBS Chargemaster with a TRX-925. When loading for a ladder I notice that some increments will dump within .02g. That's .1% of a 15 grain charge and a .03% of a 60 grain charge. Close enough. Then there are some charge weights where it'll dump .5 over. 3% of a 15gr charge and .8% of a 60 grain charge. Charge weight matters when it comes to error tolerance.</p><p></p><p>When it over dumps I just use my SAMMI spec NIST calibrated tea spoon or the RCBS powder pan and remove powder grains until the charge is at the right weight. I have clean room spec, SAMMI spec, NIST calibrated glass measuring cup to dump excess charges in. I got it at Walmart. Sometimes I try not to have a zero in the hundredths slot and sometimes I let +.02 be the limit. I never let a minus charge stand. I figure that if I'm going to be "fact checking" my RCBS I ought to do a good job of it, like, you know, those people... . <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>I let both scales "warm up" before a loading session. Idk, as far as I know it doesn't have vacuum tubes in it... ok seriously it (the sensor) is more stable if you let it sit for a few minutes after you turn it on. The TRX goes through a cal cycle every time so I turn on the RCBS, turn on and calibrate the TRX, make some coffee, then go to work.</p><p></p><p>It's surprising how much one little cylinder of H1000 weighs. Since the Chargemaster was a lot older I bought one of the fancy new RCBS, blootoof capable powder droppers. It was slower than my original and I hated it so I gave it to my son who I expect to reload more in the near future (starting to do some competitive shooting) and he'll probably hate it too.</p><p></p><p>If you want to see some big differences in powder drops "fact check" some .223 rounds loaded on a Dillon XL650 with a TRX-925.</p><p></p><p>If you want the cutting edge of scales the <a href="https://www.prometheustoolcorp.com/" target="_blank">Prometheus</a> is the shiz. "Call for pricing and availability" does not bode well for the wallet. It is very pretty and very accurate. It's also said to be fast.</p></blockquote><p></p>
[QUOTE="Mike6158, post: 3059001, member: 1039"] I "fact check" my vintage RCBS Chargemaster with a TRX-925. When loading for a ladder I notice that some increments will dump within .02g. That's .1% of a 15 grain charge and a .03% of a 60 grain charge. Close enough. Then there are some charge weights where it'll dump .5 over. 3% of a 15gr charge and .8% of a 60 grain charge. Charge weight matters when it comes to error tolerance. When it over dumps I just use my SAMMI spec NIST calibrated tea spoon or the RCBS powder pan and remove powder grains until the charge is at the right weight. I have clean room spec, SAMMI spec, NIST calibrated glass measuring cup to dump excess charges in. I got it at Walmart. Sometimes I try not to have a zero in the hundredths slot and sometimes I let +.02 be the limit. I never let a minus charge stand. I figure that if I'm going to be "fact checking" my RCBS I ought to do a good job of it, like, you know, those people... . :) I let both scales "warm up" before a loading session. Idk, as far as I know it doesn't have vacuum tubes in it... ok seriously it (the sensor) is more stable if you let it sit for a few minutes after you turn it on. The TRX goes through a cal cycle every time so I turn on the RCBS, turn on and calibrate the TRX, make some coffee, then go to work. It's surprising how much one little cylinder of H1000 weighs. Since the Chargemaster was a lot older I bought one of the fancy new RCBS, blootoof capable powder droppers. It was slower than my original and I hated it so I gave it to my son who I expect to reload more in the near future (starting to do some competitive shooting) and he'll probably hate it too. If you want to see some big differences in powder drops "fact check" some .223 rounds loaded on a Dillon XL650 with a TRX-925. If you want the cutting edge of scales the [URL='https://www.prometheustoolcorp.com/']Prometheus[/URL] is the shiz. "Call for pricing and availability" does not bode well for the wallet. It is very pretty and very accurate. It's also said to be fast. [/QUOTE]
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