Our #Helix is the first staged-combustion engine in the EU. Its oxygen-rich closed-cycle allows it to run more efficiently and be more #performant than open cycle engines. It is made of ❓ different materials, all working together to produce 100kN of thrust. (2/6) pic.twitter.com/nmdYZQKUmP

— Rocket Factory Augsburg (@rfa_space) April 12, 2022