Nice demonstration why aircraft separation is important

[Gandahar]

https://www.youtube.com/watch?v=f-P95At8mX0

There's some lovely stuff on that channel of course.

[Eric Mc]

That's the uprated version of the Shuttle Main Engine that will power the new SLS booster. There will be four on each SLS.

[anonymous-user]

Iirc they get rain clouds from those tests?

Impressive power.

[Eric Mc]

The exhaust is essentially water as the propellants are liquid oxygen and hydrogen.

[jmorgan]

It is the Saturn v launch pad vids that are immense, as well.