In pyrotechnics, a flame projector is a special effects device that projects a column of flame upwards, for a short, determined and controllable, period, usually on the order of a few seconds. The simplest form of flame projector is simply a vertical tube mounted on a base, containing powder and a hole for an electric match.
In pyrotechnics, a flame projector is a special effects device that projects a column of flame upwards, for a short, determined and controllable, period, usually on the order of a few seconds. The simplest form of flame projector is simply a vertical tube mounted on a base, containing powder and a hole for an electric match.
Source: Wikipedia "Flame projector" · CC BY-SA 4.0
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