okay,no problem
this is a kamuro:
inside kamuro shell:
I dont picture for comet but comet look like roman candle with
tail
I have picture for bombette but is the same of cake,this fireworks
also called barrage,bombette also called crosette,bombette look like a aerial shell but in small.
this is information for bombette,cake,crosette and barrage.
Each of these has a construction very similar to a shell. When the lift charge in the launching tube fires, it ignites a time fuse and (usually) a colored star composition in the bottom of the effect tube. The star composition burns brightly as the tube rises, and at the at its maximum altitude, the burst charge ignites the effects. you would know that there are dozens of possible effects: effects tubes that go up and explode, ones that whistle, ones that crackle, ones that spin around on the way up, and even ones that give off parachutes.
diagram of bombette,cake,crosette and barrage.
diagram of the shell:
and your question for the mine.
Mines are basically a ground-level aerial shell burst that is directed upwards. The bottom of the tube contains a black powder lift charge, similar to that found in a shell. When ignited, the lift charge engulfs the stars in flame, igniting them as it propels them out of the tube in a V-shaped pattern. The "spread" of the stars in the sky depends on both the length and the width of the mortar.
Consumer mines are typically one-shot-per-tube devices that are bunched together, resembling repeaters. Professional mines, however, are reloadable - the lift powder and stars are put in bags, which are lowered into the mortars and ignited.
the diagram of the mine:
and shell diagram
jérome
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