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astronautix.com USRM


Designer: Hercules. Used on stages: Titan USRM. Used on launch vehicles: Nerva 2, Timberwind, Timberwind Titan, Titan 4B. Gross Mass: 357,239 kg. Empty Mass: 52,040 kg. Propellants: Solid Thrust(vac): 770,975 kgf. Thrust(vac): 7,560.50 kN. Isp: 286 sec. Isp (sea level): 259 sec. Burn time: 140 sec. Diameter: 3.2 m. Length: 33.5 m. Chambers: 1. Country: USA. Status: In Production. First Flight: 1997. Last Flight: 1998. Flown: 6.
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Last update 12 March 2001.
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© Mark Wade, 2001 .