This page no longer updated from 31 October 2001. Latest version can be found at PW 1000000 lb LH2

Designer: Pratt and Whitney. Used on stages: Titan 5. Used on launch vehicles: Titan 5. Propellants: Lox/LH2 Thrust(vac): 454,500 kgf. Thrust(vac): 4,457.00 kN. Isp: 425 sec. Isp (sea level): 354 sec. Burn time: 420 sec. Chambers: 1. Country: USA. Status: Study 1988. Comments: Part of launch vehicle proposed by Martin as alternative to NLS. All figures estimated based on 1,000,000 lb thrust single engine.
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Last update 12 March 2001.
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© Mark Wade, 2001 .