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Lycopodium powder is a yellow-tan dust-like powder historically used as a flash powder. [1] Today, the principal use of the powder is to create flashes or flames that are large and impressive but relatively easy to manage safely in magic acts and for cinema and theatrical special effects .
Contrary to urban legend, an M-80 that contains 3,000 mg of powder is not equivalent to a quarter-stick of dynamite. Dynamite generally contains a stable nitroglycerin -based high explosive, whereas M-80s or any other kind of firecracker contain a low explosive powder, like flash powder or black powder.
The same flash powder used for military tactical pyrotechnics can also be used for several theatrical special effects. [11] They are used to produce loud, bright flashes of light for effect. Though some flash powders are too volatile and dangerous to be safely used, there are milder compounds that are still incorporated into performances today.
Colors may vary. They contain 10 grams of flash powder that is ignited via a visco fuse positioned in the center or side of the tube. [1] In some cases, they are maxed out at 15 grams which is the physical limit for 2" x 3/4". These are the most common flash salutes you will see on the streets in and around the 4th of July.
Rocket motors, smokeless powder. 1.1D Detonating cord, explosive boosters, blackpowder, most secondary explosives. 1.1E 1.1F 1.1G Flash powder, Bulk Salutes, very large fireworks 1.1J Liquid fuelled cruise missiles and torpedoes, incendiary bombs 1.1L 1.2 Projection, no mass explosion: 1.2B Detonating fuzes 1.2C Rocket motors, propelling ...
The igniter was aluminium and contained a glass ampoule, half-filled with sulphuric acid, and surrounded by potassium perchlorate flash powder. A small brass detonator (German Nr. 8) was inserted into the centre of the explosives. [2]
Flash compositions used in firecrackers usually consist of a mixture of aluminium powder and potassium perchlorate. This mixture, sometimes called flash powder, is also used in ground and air fireworks. As an oxidizer, potassium perchlorate can be used safely in the presence of sulfur, whereas potassium chlorate cannot.
These salutes typically carry 25 grams of flash powder but in rare occasions have been measured and can contain upward to 30 grams. Like the others, a piece of visco fuse 2 to 4 inches is protruding from the side or end.
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