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Rifles, Reloading, Optics, Equipment
Reloading
Weighing Powder - How precise is good enough?
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<blockquote data-quote="SBruce" data-source="post: 533729" data-attributes="member: 21068"><p>Mikecr is correct that we not only need a tolerant load, but also a load with low ES in velocity. If we're only shooting to 700yds <u>maybe</u> 800 yds, then low ES isn't <em>quite</em> as important as it is when shooting to 1000 yds and beyond.</p><p> </p><p>Perhaps Tubb is advocating the labratory scales now, but he wasn't when he produced the dvd on reloading for highpower that I've seen. He used a powder meter and standard scales, and was getting single digit SD's with those tools (according to the video anyway).</p><p> </p><p>I am not trying to say that it's a waste of money to get a labratory scale........don't know for sure, never owned one........but I believe lots and lots of people have gotten great results without one. Fact is, I know a guy that is a 1000 yd Club member of the VHA, and he did it on a prarie dog. He doesn't even trickle his charges......simply uses a meter and calls it good.....I specifically asked him that question when we were talking about Varget vs H380. I told him that I'd rather use H-380 because it meters like hot butter and that I have to trickle Varget onto the scale (which takes alot longer)............He said that he doesn't trickle it even with Varget. He just sets the meter to throw an average charge of X grains and calls that good.</p><p> </p><p>Specifically speaking of the RCBS chargemaster scale........how accurate are they compared to a "normal" balance beam scale..?? In my limited experience, not very accurate. I can put the same case on my Chargemaster scale 5 different times and get 5 different readings, within a few tenths every time but not the same. Both my balance beam scales will repeat exactly with that same case, every time I weigh it...........Yet, some claim to get excellent LR performance with the Chargemaster Dispenser.?</p></blockquote><p></p>
[QUOTE="SBruce, post: 533729, member: 21068"] Mikecr is correct that we not only need a tolerant load, but also a load with low ES in velocity. If we're only shooting to 700yds [U]maybe[/U] 800 yds, then low ES isn't [I]quite[/I] as important as it is when shooting to 1000 yds and beyond. Perhaps Tubb is advocating the labratory scales now, but he wasn't when he produced the dvd on reloading for highpower that I've seen. He used a powder meter and standard scales, and was getting single digit SD's with those tools (according to the video anyway). I am not trying to say that it's a waste of money to get a labratory scale........don't know for sure, never owned one........but I believe lots and lots of people have gotten great results without one. Fact is, I know a guy that is a 1000 yd Club member of the VHA, and he did it on a prarie dog. He doesn't even trickle his charges......simply uses a meter and calls it good.....I specifically asked him that question when we were talking about Varget vs H380. I told him that I'd rather use H-380 because it meters like hot butter and that I have to trickle Varget onto the scale (which takes alot longer)............He said that he doesn't trickle it even with Varget. He just sets the meter to throw an average charge of X grains and calls that good. Specifically speaking of the RCBS chargemaster scale........how accurate are they compared to a "normal" balance beam scale..?? In my limited experience, not very accurate. I can put the same case on my Chargemaster scale 5 different times and get 5 different readings, within a few tenths every time but not the same. Both my balance beam scales will repeat exactly with that same case, every time I weigh it...........Yet, some claim to get excellent LR performance with the Chargemaster Dispenser.? [/QUOTE]
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Weighing Powder - How precise is good enough?
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