EngineReaver 1Drag to turn · Space takes it apart213 kN vac · 127 kg · cold
Reaver 1 by Firefly Aerospace: combustion tap-off engine burning RP-1 / LOX (active). Thrust 213.4 kN in vacuum. 75 bar chamber pressure, 265 s specific impulse at sea level, 295 s in vacuum, 127 kg dry. Figures from the database's engine record. Proportions are estimated.