dave321 Posted May 8, 2015 Posted May 8, 2015 to copy this effect https://youtu.be/L24P2jySleE what do you reckon ? std 70/30 with titanium sponge in thin cardboard tube
Ubehage Posted May 17, 2015 Posted May 17, 2015 Propably a mix of sponges and powder. The sparks look like the ones I got from a failed batch of Dragon Eggs, which turned out to be excellent crackle.
Rocketier Posted May 19, 2015 Posted May 19, 2015 (edited) It is marked as indoor pyro. So it has to be a smokeless device. I think it's made with packed Nitrocellulose with titanium.I made a screenshot of the last explosion where you can see the yellowish flame of burning NC.It's definitely not a flash compo like 70/30. Edited May 19, 2015 by Rocketier 1
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