Grizlason June 11 2024 14:44:15
This company is quite interesting. They have this clever concept of a fully reusable second stage where the heat shield doubles as an aerospike engine!
Now they have tested their first FFSC engine. To even complete a test with this complex engine design is really cool, only a few have ever made it this far. I see someone has already updated wikipedia:
"As of 2024, only four full-flow staged combustion rocket engines had ever progressed sufficiently to be tested on test stands; the Soviet Energomash RD-270 project in the 1960s, the US government-funded Aerojet Rocketdyne Integrated powerhead demonstration project in the mid-2000s,[7] SpaceX's flight capable Raptor engine first test-fired in February 2019,[8] and Stoke Space’s engine developed for its Nova vehicle in 2024.[9]"