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Boeing Rocketdyne


The RS-68 is a new concept in rocket engines. Rather than focus on maximum performance in the design, Rocketdyne concentrated on cost-effectiveness. Simplified design lowers parts count considerably. Picture goes here
Engine statistics
Applications Delta IV EELV
Propellants LOX/LH2
Thrust in Vaccum 745,000lb
Thrust at Sea Level 650,000 lb
Isp in vaccum (s) 410
Isp at sea level 365
Mixture Ratio 6:1
Weight 14,560 lb
Chamber Pressure 1410 psia
Expansion Ratio 21.5:1
Engine Cycle ????
Pump Design Pressures ????