NLS

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Model: NLS Core. Gross Mass: 815,732 kg (1,798,381 lb). Empty Mass: 44,757 kg (98,672 lb). Thrust (vac): 7,150.000 kN (1,607,380 lbf). Isp: 430 sec. Burn time: 350 sec. Propellants: Lox/LH2. Isp(sl): 360 sec. Diameter: 8.70 m (28.50 ft). Span: 8.70 m (28.50 ft). Length: 52.00 m (170.00 ft). Country: USA. No Engines: 2. Motor: STME. Status: Study 1991. Cost $ : 49.000 million. First Flight: 1997. Used as: NLS Semistage. Other designations: National Launch System. Model: NLS HLV. Gross Mass: 833,732 kg (1,838,064 lb). Empty Mass: 62,757 kg (138,355 lb). Thrust (vac): 14,310.000 kN (3,217,010 lbf). Isp: 425 sec. Burn time: 221 sec. Propellants: Lox/LH2. Isp(sl): 350 sec. Diameter: 8.70 m (28.50 ft). Span: 8.70 m (28.50 ft). Length: 52.00 m (170.00 ft). Country: USA. No Engines: 4. Motor: STME. Status: Study 1991. Cost $ : 59.000 million. First Flight: 1997. Other designations: National Launch System. Used on Launch Vehicles: NLS. 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.