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A comet is a type of firework star fired into the sky from the ground which leaves a long trail of sparks in its wake as it flies through the air. A low noise effect that is popular in pyro-musicals because comets can be easily synchronized to music given their instantaneous impact.
Not too strong effect. With chlorine donors yields green color, without chlorine burns white. In green compositions usually used with perchlorates. Green Barium oxalate: BaC 2 O 4: Blue Copper(I) chloride: CuCl The richest blue flame. Almost insoluble in water. Blue Copper(I) oxide: Cu 2 O Lowest cost blue colorant. Blue Copper(II) oxide: CuO ...
A pyrotechnic composition is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas/smoke or a combination of these, as a result of non-detonative self-sustaining exothermic chemical reactions. Pyrotechnic substances do not rely on oxygen from external sources to sustain the reaction.
The size of these fireworks can range from 50 mm (2") to over 600 mm (24") diameter depending on the type of effect and available distance from the audience. In most jurisdictions, special fireworks training and licensing must be obtained from local authorities to legally prepare and use display pyrotechnics.
The bang is the most common effect in fireworks and sounds like artillery cannon being fired; technically a "report". Silent fireworks have all of the visual effects, however. The "salute" effect is even more pronounced and sometimes is banned.
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A basic pyrotechnic device. A gerb is a type of firework which produces a jet of sparks, usually lasting between 15 and 60 seconds.It is a thick-walled tube filled with pyrotechnic composition and possessing a choke, which is a narrowing in the tube.
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