PowderShaker: Using vibrating motor to make consistent powder drops on Dillon 550

See https://github.com/stro/powdershaker for details


Using Titegroup powder


First couple of drops after setting it up had some variance, after that it was pretty consistent with 0.45% difference.


00:00 Drop 1: 4.30gr
00:18 Drop 2: 4.30gr
00:35 Drop 3: 4.38gr
01:00 Drop 4: 4.38gr
01:15 Drop 5: 4.36gr
01:30 Drop 6: 4.38gr
01:49 Drop 7: 4.38gr
02:04 Drop 8: 4.36gr
02:19 Drop 9: 4.38gr