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This thing probably sucks in more air in a second than all humans have, ever.

Well, so much for rapid iterations 😂

Science, science - we'd be nothing without you.

100%

Greattt

Because It's Radical Racist Heil Heisenberg

these are so cool

Tony Stark's son 😜😄

There seem to be a number of advantages to rotating detonation rocket engines over 'normal' rocket engines. Are Relativity actively investigating these for future flights of the Terran R, or some later vehicle? Thanks! :-)

It’s a shame to see all this effort and resources, and talent spent trying to catch up to what spacex has already accomplished. Instead of competing against spacex, or trying to replicate what they do, start building a space station/fuel depot in space. That’s where the market is wide open. True, resource retrieval will be needed from planets, but space based platforms to operate from will be required long before that.

SpaceX needs to make videos like these. Great work, keep it up!

Cool!

This is the most wholesome space company in the world.

Awesome chemistry lesson, thanks Relativity Space.

The answer sort of unnecessarily skirts around the underlying reason. It's pressure broadening. Think of whenever you've seen an old, long tube style sodium vapor street lamp, the kind that produce an almost totally pure yellow light at 589nm and nothing else, which completely destroys the ability to perceive the normal color of objects lit solely by this light. These are low pressure lamps that operate at much less than 1 bar. Now think of the more common sodium vapor street lamps that, while rapidly disappearing due to replacement by LEDs, are still around in some places and while still very yellow, actually emit much more blue, green, and red light. Under these lights you CAN see some color in objects. Why? These are HIGH pressure sodium lamps and they're operating at around 1 bar of pressure. The "pressure broadening" or "collisional broadening" of the spectral lines of sodium is happening in a high pressure gas because the lifetime of the excited state of the atoms can be much greater than the interval between interatomic collisions, and this perturbation by colliding atoms causes the premature transition and emission of a photon. The decreased lifetime of the excited state creates an increased uncertainty (Heisenberg uncertainty) in the photon energy, thus broadening the emission line. In the combustion chamber of the rocket engine, pressures are well in excess of A HUNDRED BAR, and many collisions are happening between the molecules of excited gas before they fall back to the ground state. The few emission lines of normally blue light are therefore being severely broadened out over the whole visible spectrum to create a continuum of light emission that appears white...because it is.

These videos are amazing, weird SpaceX doesn't do such a thing to keep the 'community' more engaged...

These Since You Asked videos are so well done!

Is his father Tom 😎😏

Love these quick Since You Asked videos. Thank you for doing these!

have you tried one of these in a vacuum chamber?

Damm even the rocket engine last longer than me 😢

Uap tech is far far better than this noise

That flame looks so nice i wanna put my hand in it

Congrats guys, this is a great milestone

Can we have link to that alarm?

Go Relativity! your concept is so good! Simple, modular, simply genius! Can't wait for Terran-R LIFTOFF!

0:18 Special Blue Fire Edition Flamethrower 🔥🔥🔥

Батуты Рогозина?

Утро в туалете, после того как поел острых крылошек

Bwoop bwoop bwoop

This is my ASMR

This is all wonderful, nice engine and all that. And RELATIVITY raises a lot of cash $$$ - but for what? For their 3D printing services, NOT for a TERRAN 2 rocket? - nowhere in sight, (after TERRAN 1 rocket, stage 2 failed long ago). And why don't I care about all this, RELATIVITY not climbing back on the LAUNCH horse, it seems?? Because RELATIVITY is NOT a public company like ROCKET LAB and their ELECTRON small-lift rocket, where I am all in on RKLB. See NO threat here to ELECTRON. Happy 3D printing.

What is that “Whoop whoop whoop” alarm for?

👍🏾👍🏾👍🏾👍🏾👍🏾

Congratulations on the amazing test! The future looks closer everyday! GO RS!

12:00 When the turbopumps become the ENGINE itself

The ALARM 🤣🤣🤣

180 seconds and still colder than a witch’s…

NICE!

3 minutes is nothing to shake a stick at.

I always very curious about the additional narrow flow near the nozzle: what is it? What function does that serve?

booep booep booep

Most excellent. So that's your sea level nozzle? Congrats on the test fire!

I want to build cool stuff like this!

Yep, yep, it works. No fly it please!

Drop the STL. I'm trying to go to space!!

Sexy af!

ASMR de foguete 🚀

This is great but more night shots please! We love the blue flameeeee 🔥🔥🔥

Can’t wait to see that bird fly! Let’s goooo!!