A Raptor-style methane engine. Every drop of both propellants first burns in a small preburner, spins a turbine, then burns again in the main chamber at 300 bar. No air needed: it carries its own oxygen.
| Thrust on the load cell | 0.00 MN |
| Liquid oxygen flow | 0 kg/s |
| Liquid methane flow | 0 kg/s |
| Turbopumps (ox · fuel) | 0 · 0 % |
| Nozzle exit vs. air | – |