Gross Mass: 2,694,703 kg.
Empty Mass: 169,719 kg. Thrust (vac): 4,685,469 kgf. Isp: 310 sec. Burn time: 158 sec. Propellants: Lox/KeroseneIsp(sl): 270 sec. Diameter: 10.1 m. Span: 19.0 m. Length: 48.1 m. Country: USA. No Engines: 5. F-1AStatus: Study NASA 1966. Comments: Basic Saturn IC stretched 240 inches with F-1A engines uprated 20% in thrust and 6 second improvement in specific impulse.