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Advanced Engines
Advanced Engines planned for uprated Saturn and Nova boosters
Credit - © Mark Wade
Model: Saturn MS-IVB-2. Gross Mass: 176,600 kg (389,300 lb). Empty Mass: 17,800 kg (39,200 lb). Thrust (vac): 1,401.300 kN (315,025 lbf). Isp: 447 sec. Burn time: 489 sec. Propellants: Lox/LH2. Isp(sl): 200 sec. Diameter: 6.61 m (21.68 ft). Span: 6.61 m (21.68 ft). Length: 23.12 m (75.85 ft). Country: USA. No Engines: 1. Motor: HG-3. Status: Study 1965.

Douglas Studies, 1965: S-IVB with 315 k high pressure 3000 psia engine, 350,000 pounds propellant

Model: Saturn MS-IVB-3B. Gross Mass: 179,200 kg (395,000 lb). Empty Mass: 20,400 kg (44,900 lb). Thrust (vac): 1,778.900 kN (399,913 lbf). Isp: 447 sec. Burn time: 385 sec. Propellants: Lox/LH2. Isp(sl): 200 sec. Diameter: 6.61 m (21.68 ft). Span: 6.61 m (21.68 ft). Length: 22.82 m (74.86 ft). Country: USA. No Engines: 1. Motor: Toroidal 400k. Status: Study 1967.

S-IVB with 16.5 foot stretch, 350,000 pounds propellant, 1 400,000 pound thrust toroidal engine.

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