Shuttle - Saturn 1C - Shuttle - Saturn 1C booser Credit: © Mark Wade. 10,653 bytes. 349 x 921 pixels.

A winged recoverable Saturn IC stage was considered instead of solid rocket boosters after the final shuttle design was selected.

Liftoff Thrust: 3,440,310 kgf. Total Mass: 3,161,710 kg. Core Diameter: 10.1 m. Total Length: 107.0 m. Flyaway Unit Cost $: 1,020.50 million. in 1985 unit dollars.

• Stage Number: 1. 1 x Saturn IC Gross Mass: 2,286,217 kg. Empty Mass: 135,218 kg. Thrust (vac): 3,946,624 kgf. Isp: 304 sec. Burn time: 161 sec. Isp(sl): 265 sec. Diameter: 10.1 m. Span: 19.0 m. Length: 42.1 m. Propellants: Lox/Kerosene No Engines: 5. F-1

• Stage Number: 2. 1 x Shuttle Tank Gross Mass: 750,975 kg. Empty Mass: 29,930 kg. Thrust (vac): 0 kgf. Isp: 455 sec. Burn time: 480 sec. Isp(sl): 363 sec. Diameter: 8.7 m. Span: 8.7 m. Length: 46.9 m. Propellants: Lox/LH2 No Engines: 0. None

• Stage Number: 3. 1 x Shuttle Orbiter Gross Mass: 99,318 kg. Empty Mass: 99,117 kg. Thrust (vac): 696,905 kgf. Isp: 455 sec. Burn time: 480 sec. Isp(sl): 363 sec. Diameter: 4.9 m. Span: 23.8 m. Length: 37.2 m. Propellants: Lox/LH2 No Engines: 3. SSME

• Stage Number: 4. 1 x Shuttle Orbiter OMS Gross Mass: 25,200 kg. Empty Mass: 3,600 kg. Thrust (vac): 5,443 kgf. Isp: 316 sec. Burn time: 1,250 sec. Isp(sl): 0 sec. Diameter: 4.9 m. Span: 23.8 m. Length: 37.2 m. Propellants: N2O4/MMH No Engines: 2. OME

• 44 - Jenkins, Dennis R,, Space Shuttle: The History of Developing the National Space Transportation System, Motorbooks International, ISBN 0-9633974-4-3, 1996.

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S-1C details Credit: © Mark Wade. 40,371 bytes. 510 x 391 pixels.

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