US Patent 10987606 Simulated afterburner flame effect

The invention is directed to special effect device that is used to produce a simulated flame that has the shape and, if desired, the color characteristics of the flame produced by a jet afterburner. In one embodiment, the device includes a steam system for providing a stream of steam, a steam accelerator for applying a high-speed and highly linear stream of air to steam provided by the steam system to produce at steam cloud with a highly linear shape similar to the shape of the flame produced by a jet afterburner, and a lighting system to project desired colors onto the linear steam cloud.