EngineRL10B-2Drag to turn · Space takes it apart110 kN vac · 301 kg · cold
RL10B-2 by Aerojet Rocketdyne: expander, closed engine burning LH2 / LOX (active). Thrust 110.1 kN in vacuum. 43 bar chamber pressure, 466 s in vacuum, 301 kg dry. Figures from the database's engine record. Drawn to the published deployed length and nozzle diameter (Wikipedia); other proportions are estimated.