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Rocket 4.0 first stage engine hot fire. Day in, day out on the test stand.

90,496 views • 1 month ago •via X (Twitter)

25 Comments

Chalobs's profile picture
Chalobs1 month ago

That is what I call very fuel rich.

AgentOrangeGo's profile picture
AgentOrangeGo1 month ago

who wants s'mores?

HighPe🅰️ksVenturer's profile picture
HighPe🅰️ksVenturer1 month ago

IS THIS ENGINE FOR A DRAGSTER?

cfourcorvette's profile picture
cfourcorvette1 month ago

Looks great! Now that testing has ramped up on the engines, how often are they fired and until the engine is qualified for flight?

Toaster🇳🇿🚀🦛's profile picture
Toaster🇳🇿🚀🦛1 month ago

We are waiting…🚀

Andy Cameron's profile picture
Andy Cameron1 month ago

Do these engines have flight heritage?

Lift-Off 🇪🇺's profile picture
Lift-Off 🇪🇺1 month ago

@eccorca Astra is still alive, bitch

𝙼𝙰𝚂𝚂 𝙴𝚡𝚙𝚎𝚍𝚒𝚝𝚒𝚘𝚗's profile picture
𝙼𝙰𝚂𝚂 𝙴𝚡𝚙𝚎𝚍𝚒𝚝𝚒𝚘𝚗1 month ago

Powerful way to start the morning, great share.

Mike Crowley's profile picture
Mike Crowley1 month ago

Errr, that doesn’t look right

kinoniz's profile picture
kinoniz1 month ago

Should i ask what’s the difference with a SpaceX raptor engine or just leave it there 🤔

🦅🦅's profile picture
🦅🦅1 month ago

Looks like shit

CatboyRocketry 🏳️‍🌈's profile picture
CatboyRocketry 🏳️‍🌈1 month ago

wen launch ?

Rocky's profile picture
Rocky1 month ago

Losers

David Cancelleri's profile picture
David Cancelleri1 month ago

#Propulsion

Don korleone's profile picture
Don korleone1 month ago

🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣

crito's profile picture
crito1 month ago

@grok why are folks trolling in the comments rather than taking it seriously like space x and rocket lab??

Dr. Jhon Paul's profile picture
Dr. Jhon Paul1 month ago

What was the expansion ratio ?

Robert's profile picture
Robert6 days ago

Cada prueba de banco convierte el “algún día en datos reales. Ese rugido ya suena a progreso con calendario.

mark adel's profile picture
mark adel1 month ago

@grok what is holding this shit from blowing whatever building hosting it ?!

Obserfessor's profile picture
Obserfessor1 month ago

I didn’t realize these guys had survived their stock collapse after Rocket 3 failures.

Diego Pullano's profile picture
Diego Pullano1 month ago

i like the peeking ziptie

Andreas's profile picture
Andreas1 month ago

I especially like the green flames at the start, the coppar metall is eating itself alive

Viktor Ax's profile picture
Viktor Ax1 month ago

Hear me out! Rocket 4 will reach space sooner than Neutron.

SpaceNerd's profile picture
SpaceNerd1 month ago

Have you ever tried cooking with it?

Pigeon Little's profile picture
Pigeon Little1 month ago

is that at castle?! sick.

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