Jerryさんのイラストまとめ

So I gave the SpaceX Falcon 9 and Falcon Heavy rockets a RP1-LOX third stage, and oh my god are they even more overpowered now…

(A thread)

RS25 vacuum...

The RS25 engine was designed to operate in both sea level and in vacuum, so I thought, why not make a dedicated vacuum version for higher efficiency?

What do you guys think? RT if you like it! :D

Details, specs, and picture credits in thread. Please go read it!