plumbs7 wrote:! Incidentally, it only took me about 10 minutes to weigh 90 primers into 35 grams and 36 gram lots ! This is as per everything in open experimentation so yep it may not work . But let's see if it works ? It's just 10 mins of my time ?
I do weight sort primers for Queens and some OPM, batching them in lots to 0.001 gram and I did read that article quoting Bryan Litz as saying that you can halve your SD by weighing and batching to 0.001 gram.
It seems you have only batched yours to 0.010 gram...not to 0.001 gram...possibly relying on your Chargemaster scale which simply doesnt have the necessary resolution (and isn't accurate enough)
Typical Federal 210 GM large rifle primers weigh from 0.351gram to 0.363 gram,(that was what the last few hundred that I batched weighed in at, anyway) and to achieve the return on your time that Litz is talking about (ie a measured effect on your SD) you have to batch 0.351, 0.352, 0.353 etc. Unfortunately you have only batched to 0.35gram, and 0.36 gram so while it can't do you any harm it's also highly unlikely to have any measurable effect
Where you have just one batch at 0.35 grams, Litz (and me too
) would have ten , from 0.350 gram, up to 0.359 grams.