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[–] 0 pt

I don't know what that is, it's your time to shine, enlighten me good sir.

[–] 2 pts

Liquid oxygen. Used primarily for thrust on massive rockets. I was hoping to learn some.
I know jet engines of a f/a-18 use jp5 form of diesel. Engine goes Suck squeeze bang then blow. And for extra kicks. Throw some heated fuel that circulates the engine in the blow part of the engine to create more thrust aka afterburner. Mostly for take off and landing on carriers or in fucked up situations. Chanced by guided ground to air missiles batteries. Hornets use lox. But for pilots breathing only. Small sphere like canister goes in left side maint access door behind the drop latter

[–] 0 pt

https://www.youtube.com/watch?v=45w1-lwFSzM

Sorry this is the same video but with the audio corrected so it's not out of sync.

[–] 1 pt

That nanometer is 100 years old. But good video. Seems older style videos explains better then the new age horse shit we have today

[–] 0 pt

As far as rocketry, most of the thrust happens in the nozzle design, I know that much. Propulsion is a result of the convergent/divergent nozzle geometry.

Much like the diffusers in road cars, which work on ground effect and thus compressibility plays a role, so too do rocket engines have to deal with compressible flow. Thus the design of rocket engines and road car diffusers is similar in principle.

https://youtu.be/JhlEkEk7igs

If you watch this video it will give you a hint as to what I'm referring to. I'm sad to say I can't express this more elegantly because I don't fully understand the choking dynamic.

[–] 1 pt

TBHO I never thought density has no effect. As a semi conductor manufacture. It’s kinda hard to believe. Yet maybe it doesn’t matter in the terms of thrust