Engine Model: SRM-2. Manufacturer Name: Orbus 6. Designer: CSD. Gross Mass: 3,919 kg (8,639 lb). Empty Mass: 1,170 kg (2,570 lb). Propellants: Solid. Thrust(vac): 78.400 kN (17,625 lbf). Thrust(sl): 51.600 kN (11,600 lbf). Isp: 304 sec. Isp (sea level): 200 sec. Burn time: 103 sec. Diameter: 1.61 m (5.28 ft). Length: 2.08 m (6.82 ft). Chambers: 1. Country: USA. First Flight: 1982. Last Flight: 2005. Flown: 58. Used in Shuttle, Titan 34D; IUS-2. Known by manufacturer as Orbus 6.
SRM-2 used on Rocket Stages