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Engine Model: Press Fed 200k. Designer: TRW. Propellants: N2O4/UDMH. Thrust(vac): 2,028.000 kN (455,912 lbf). Thrust(sl): 1,325.500 kN (297,984 lbf). Isp: 306 sec. Isp (sea level): 200 sec. Diameter: 2.90 m (9.50 ft). Chambers: 1. Chamber Pressure: 13.61 bar. Area Ratio: 50.00. Thrust to Weight Ratio: 0.00. Country: USA. Status: Study 1968.

1960's designs for 'big dumb booster'..



Press Fed 200k used on Rocket Stages


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