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Firefly #1
Source: rec.pyrotechnics archive. Posted by Eric Eisack.
Comments:
Preparation: Aluminum is large flake. It was sieved through a windowscreen. This gives about 30 mesh powder.

Potassium nitrate.................................50
Charcoal,air float................................29
Charcoal, 80 mesh.................................10.5
Sulfur............................................6
Aluminum (large flake)............................4.5
Dextrin or CMC....................................+5 or +1

30 mesh aluminium heb ik niet, dat zou het effect mogelijk nog mooier maken.

Het was inderdaad een ronde shell, getaped met kraftpapiertape.

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