EngineRD-181Drag to turn · Space takes it apart1,922 kN · 2,580 kg · cold
RD-181 by NPO Energomash: staged, oxidizer-rich engine burning RP-1 / LOX (retired). Thrust 1,922.1 kN at sea level, 2,090 kN in vacuum. 263 bar chamber pressure, 311 s specific impulse at sea level, 338 s in vacuum, 2,580 kg dry. Figures from the database's engine record. Proportions are estimated.