Wednesday, July 06, 2016

The Effects of Moving Air on a Powder Scale

I was out in the shop today to reload some .38 Special.  Being a cautious reloader, I wanted to verify my charge weights before I began cranking out ammo, so I set up my Hornady scale to verify the weight of powder that my measure was throwing.

The scale was hard to zero, and I finally realized that a fan across the shop was effecting the balance beam.  Those gentle air currents were playing hob with my scale, as this video documents.

Of course, I turned the fan off, verified my weights, then turned the fan back on to load the ammo.

But, even advanced reloaders can benefit from reviewing the basics.

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