Gross Mass: 2,718,800 kg.
Empty Mass: 178,700 kg. Thrust (vac): 4,683,100 kgf. Isp: 304 sec. Burn time: 162 sec. Propellants: Lox/KeroseneIsp(sl): 265 sec. Diameter: 10.1 m. Span: 19.0 m. Length: 48.1 m. Country: USA. No Engines: 5. F-1AStatus: Study Boeing 1967. Comments: S-IC with 20 foot stretch, 1.8 million lb thrust F-1's, 5.6 million pounds propellant capacity (fuel offloaded to 4.99 million for LEO or 4.80 million lbs for LOR mission).