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Fresh hotfire of Zenith—stepping into gimbal testing with flight-like feedlines and engine layout.
138,392 views • 10 months ago •via X (Twitter)
25 Comments

5x sped-up version of the video showing our gimbal-testing more clearly.

@johnkrausphotos Life goals.

I LOVE STOKE SPACE‼️‼️‼️

Looking great! Are the little green flashes copper particles?

Looks great.

Nice! 👍

Cannot wait to see Stoke launch!

Super

Looking great! So curious about the interesting shape at the base of the nozzle…

Looks good. I hope those momentary streaks of green are norminal though.

Based on startup behavior/shock diamond evolution I’m guessing a Pc of around 175bar. Tell me I’m wrong.

This is the fourth full cycle combustion engine ever built. Kudos to @stoke_space 👍

Light this up. 12 HydroLox Nozzles, not engines. It spins at 100 RPM, centrifugal force fed water through 12 PEM to electrolysis for H2/O2. All nozzles are water cooled, by the same water carried as fuel. It's the Propulsion module of my conceptual spacecraft named #NOVAPROJECT
Very shy gimbal, but great job 👏🏼

Congratulation🥂 Two questions: What is the maximum gimbal angle on these engines? It looked like it was around 10 degrees. Did engine suffer some minor damage?? Some green flashes were coming out in the exhaust most probably copper particles.

Holy

@Anton81191831 Godspeed stoke!

Engine layout advancements fuel our aerospace dreams! Such pioneering tech is the heartbeat of future space adventures. Keep the stellar progress coming! 🚀✨

Looks great 👍

Awesome! Very excited for Nova!

absolute beauty

@stoke_space is this low nozzle ratio nozzle similar to pre-ssmes prototype nozzles, what is the nozzle ratio for zeniths extension. I also noticed that when engines have their nozzles lengthen it extends the instability at cutoff or shutdown as air fills the bell.

The machineries of joy (Bradbury)

Mesmerizing to see the plumbing being frozen and red hot at the same time!

Beautiful 😍

