Saturn IB-C - Credit: © Mark Wade. 1,613 bytes. 71 x 346 pixels.

Douglas Studies, 1965: 4 Minuteman strap-ons; standard S-IB, S-IVB stages.

LEO Payload: 20,400 kg. to: 185 km Orbit. at: 28.0 degrees. Liftoff Thrust: 1,008,130 kgf. Total Mass: 689,930 kg. Core Diameter: 6.6 m. Total Length: 51.0 m. Flyaway Unit Cost $: 43.50 million. in 1985 unit dollars.

• Stage Number: 0. 4 x Minuteman-1 Gross Mass: 23,077 kg. Empty Mass: 2,292 kg. Thrust (vac): 80,700 kgf. Isp: 262 sec. Burn time: 60 sec. Isp(sl): 237 sec. Diameter: 1.7 m. Span: 1.7 m. Length: 7.5 m. Propellants: Solid No Engines: 1. M55/TX-55/Tu-122

• Stage Number: 1. 1 x Saturn IB Gross Mass: 448,648 kg. Empty Mass: 41,594 kg. Thrust (vac): 840,426 kgf. Isp: 296 sec. Burn time: 155 sec. Isp(sl): 262 sec. Diameter: 6.5 m. Span: 6.5 m. Length: 24.5 m. Propellants: Lox/Kerosene No Engines: 8. H-1b

• Stage Number: 2. 1 x Saturn IVB (S-IB) Gross Mass: 118,800 kg. Empty Mass: 12,900 kg. Thrust (vac): 105,200 kgf. Isp: 421 sec. Burn time: 475 sec. Isp(sl): 200 sec. Diameter: 6.6 m. Span: 6.6 m. Length: 17.8 m. Propellants: Lox/LH2 No Engines: 1. J-2

• 228 - Lowther, Scott, Saturn: Development, Details, Derivatives and Descendants, Work in progress. Availabe chapters may be ordered directly from Scott Lowther at web site indicated. HTML when accessed: http://www.webcreations.com/ptm