J-2T-250K

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J-2T-250K

Part of J-2

Advanced Engines
Advanced Engines planned for uprated Saturn and Nova boosters
Credit: © Mark Wade

Rocketdyne LOx/LH2 rocket engine. Study 1967. Proposed for later versions of Saturn V. Toroidal aerospike plug nozzle version of J-2.

Status: Study 1967. Thrust: 1,111.60 kN (249,898 lbf). Specific impulse: 441 s. Specific impulse sea level: 290 s. Burn time: 348 s. Height: 1.25 m (4.10 ft). Diameter: 2.97 m (9.74 ft).

Thrust (sl): 731.000 kN (164,335 lbf). Thrust (sl): 74,544 kgf.

Country: USA. Launch Vehicles: Saturn MLV-V-1/J-2T/250K, Saturn MLV-V-4(S)-B. Propellants: Lox/LH2. Stages: Saturn MS-II-1-J-2T-250K. Agency: Rocketdyne.

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