Well I guess we'll find out in a few days how this little thing works. I found one on Amazon and bundled it with something else that the wife needed for free shipping.
For now I'll cast up a few hundred .429 SWC's for 44-40 & 44 Special and by the time the charge bar shows up I should have 'em lubed and ready to go. Hopefully since I've got all my loads referenced to the Auto-Disk numbers I won't have to pull my hair out spending hours dialing in volumes to the correct weights. I should be able to set it using the disk numbers and adjust from there.
All it is a adjustable hole or semi circle. It just makes the semi hole larger or smaller. Still a volumetric measure,
In theory you should be able to write down the setting but that will only get you close.
As mentioned forget flake powder like Unique. It has the same quirks as the regular discs.