Experimental rocket shock diamond - GIF

Experimental rocket shock diamond.

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Previously:

https://www.homemadetools.net/forum/...899#post183623
https://www.homemadetools.net/forum/...596#post185921
https://www.homemadetools.net/forum/...331#post181252
https://www.homemadetools.net/forum/...055#post157221
https://www.homemadetools.net/forum/...367#post150701

Since I had to look it up. From Wikipedia: Shock diamonds (also known as Mach diamonds or thrust diamonds) are a formation of standing wave patterns that appear in the supersonic exhaust plume of an aerospace propulsion system, such as a supersonic jet engine, rocket, ramjet, or scramjet, when it is operated in an atmosphere. The "diamonds" are actually a complex flow field made visible by abrupt changes in local density and pressure as the exhaust passes through a series of standing shock waves and expansion fans. Mach diamonds are named after Ernst Mach, the physicist who first described them.

Attachment 41619

Recognize that unique squeak at shutdown?
wait for it.........

Always thought that was landing gear of the Planet Express. Turns out it's Leela shutting down thrust!