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NLS HLV

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NLS - Martin NLS - Martin Marrietta 'stage-and-a-half' design Credit: Lockheed Martin

AKA: National Launch System;New Launch System. Status: Study 1991. Thrust: 11,791.00 kN (2,650,722 lbf). Gross mass: 833,732 kg (1,838,064 lb). Height: 62.00 m (203.00 ft). Diameter: 8.70 m (28.50 ft).

Flyaway Unit Cost 1985$: 59.000 million.

Stage Data - NLS HLV

• Stage 1. 1 x 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. 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). Propellants: Lox/LH2. No Engines: 4. Engine: STME. Other designations: National Launch System. Status: Study 1991.