SpaceX's New Raptor 3 Smashed The World Record!

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NOTE: In May of 2023 Elon Musk posted about an engine he referred to as "Raptor V3". In August 2024, SpaceX revealed a different engine referred to as "Raptor 3". It seems the internal naming convention may have changed, or Elon's post left out important context on the naming of Raptor engines. This video from 2023 discusses the V3 Elon posted about.

For details on the 2024 "Raptor 3" check out:

Raptor 3 just smashed the chamber pressure record hitting 350 Bar during a test firing at SpaceX's McGregor, Texas facility. This pressure allows the engine to be even more efficient during flight. Watch as Jack breaks down what happened and what this means for spaceflight!

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5000psi on top of dealing with all that heat is absolutely insane.

The metallurgists at SpaceX deserve a raise.

literallyshaking

One Raptor 3 is about 18 times more powerful than a B-1 Bomber jet engine at full afterburner. As a former crew chief on the B-1B, I find that absolutely insane!!

randytaylor

"Rocket science" is actually quite simple. Rocket engineering is the tricky bit.

tbjtbj

I don't normally comment on these...enjoy them immensely and consider myself better educated after them. But this one. I swear I heard the crackle. Normally on testing at Mcgregor, you get the rumble. That thing wanted to take the stand with it! Awesome video, and as always, awesome commentary.

admincovenant

You probably meant megapascals (MPa) and not millipascals (mPa). I mean sure, you could measure chamber pressure in either one but 350 bar is 35 MPa or mPa.
Perhaps a more useful comparison would be 5076 psi, nearly double the pressure in your typical SCUBA tank.
It's also roughly equivalent to the pressure 2.2 miles underwater.
So yeah, it's a lot.

MichaelFiedeldey

The Raptor engine is really looking impressive as SpaceX optimizes its design. This version 3 engine puts out more thrust than the RS-25 or BE4 engines while being less than half the size. Can't wait to see a fully optimized and operational version of the Raptor engine when development concludes:)

matthewwiemken

Speaking of progress, it's amazing how NSF videos keep getting better and better. Truly amazing content and it is highly appreciated.
Thanks!

LeandroSilva

mPa and MPa are very different units, be careful or you might end up with a few more zeros than you intended 😉

withoutstickers

can spacex potentially achieve 420.69 bar?

Anon_Ymous

The thrust is impressive but isn’t raptor 3 also going to be the cleanest design so far too? Elon mentioned that the engine itself shouldn’t need any heat shielding since there will no longer be anything fragile exposed on the engine. As well as RUD containment built into each engine.

CanOpnr

I can generate at least 0.01 Bar of chamber pressure. Intake fuel can be varied, though cauliflower has a particularly high energy density in this regard.

confusedrhino

Weird how seeing a massive rocket flame hot enough to liquify metal gave me full body chills.
The work SpaceX is doing is absolutely amazing.
Thanks NSF for bringing us these high quality updates!

ImNotOld_ImVintage

Great explanation thanks Jack and the NSF team. Throttling up after launch will be epic.

corrinastanley

Just seeing the plume itself, it really shows a vast improvement in thrust. Absolutely incredible to be able to watch this happen in my lifetime.

palehorse

Just a thought... Have you guys considered installing a seismograph (a cheap one) at the engine test sight location? It could return some useful information. Thanks, great work as usual.

Clark-Mills