Make Black Powder Without a Ball Mill Skylighter, Inc.
Note: Small inexpensive coffee mills like those from Walmart can overheat if you run them too long. Once they overheat and stop working, they won't work again. Use short 510 second pulses, shake the mill while you grind, and let the mill cool down before milling any more. WARNING: Do not confuse a bladetype coffee mill with a ball mill. The ...