ALS

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Model: ALS. Gross Mass: 780,000 kg (1,710,000 lb). Empty Mass: 60,000 kg (132,000 lb). Thrust (vac): 15,477.159 kN (3,479,404 lbf). Isp: 435 sec. Burn time: 195 sec. Propellants: Lox/LH2. Isp(sl): 330 sec. Diameter: 8.70 m (28.50 ft). Span: 8.70 m (28.50 ft). Length: 60.00 m (196.00 ft). Country: USA. No Engines: 6. Motor: STME. Status: Development ended 1988. Cost $ : 47.000 million. First Flight: 1997. Other designations: Advanced Launch System Core. Used on Launch Vehicles: ALS. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.