Rex (Raptor Engine)(@Rex_MKR):Merlin 1D Sea Level on its pure glory ❤️ This Merlin fired for 177 seconds, it isn't the usual 142 seconds of duration, with a clear view of the deluge starting and engine ignition, where we can see a green flash, thanks to the TEA-TEB, also known as triethylaluminum (TEA) and triethylborane (TEB), the pyrophoric mixture used to ignite it, all the way to the shutdown. Enjoy this 177 seconds of kerolox roar, with a warning for the headphone users 😝 https://t.co/RDR6ERh1ys

Rex (Raptor Engine)

@Rex_MKR

🚀 SpaceX, Starship and rocket engines are my passion 🎖 MGL Ops 📝 RGV Aerial Photography Writer 🦖 The man who listen to raptors 🤫 Opinions are my own

Joined August 2018

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Rex (Raptor Engine)@Rex_MKR

2026.10.14 17:37

Merlin 1D Sea Level on its pure glory ❤️ This Merlin fired for 177 seconds, it isn't the usual 142 seconds of duration, with a clear view of the deluge starting and engine ignition, where we can see a green flash, thanks to the TEA-TEB, also known as triethylaluminum (TEA) and triethylborane (TEB), the pyrophoric mixture used to ignite it, all the way to the shutdown. Enjoy this 177 seconds of kerolox roar, with a warning for the headphone users 😝 - @NASASpaceflight