wim

What's the best way to powderise charcoal?

When I was 15 I tried to make gunpowder (charcoal, potassium nitrate and sulphur). I put BBQ charcoal in a plastic bag and smashed on it with a hammer until the plastic bag was broken (after 1 or two hits, that is). Cleaned the mess up a bit and used a glass bottle to grind it further down to powder ... or at least I tried.
End of the story is, the gunpowder I made only gave a huge flame, a lot of heat and a lot of toxic smoke (great to root out wasp nests in the ground). Now that I think of it, that may be the reason why I'm still alive with all my libs, eyes, ....

For me it was a hard time to powderize a small amount of charcoal, how do you powderize lots of it?

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With kind regards
Wim