pyrodoc Posted March 18, 2015 Posted March 18, 2015 Hello seniors, First of all the flare was made while wearing mask, gloves and apron. I have access to orpiment so wanted to try it. KNO3 35gmSulhur 9gmOrpiment 6gmhttps://youtu.be/mr0d1gqhLIQ We do have better options but just wanted to try orpiment. Wasn't bright enough. Not sure if we need to keep the composition wet during mixing? I found a lot of orpiment on the floor unburnt. Will stick to other formulas only for flares. Pyrodoc
FlaMtnBkr Posted March 18, 2015 Posted March 18, 2015 (edited) That is likely a very old formula from before powdered metals were available (or at least very expensive- aluminum used to be an almost precious metal) and was the best option they had at the time. Still neat to see an old formula like that and what they used to make. Edited March 18, 2015 by FlaMtnBkr
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