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Model: Shuttle SRB. Gross Mass: 589,670 kg (1,299,990 lb). Empty Mass: 86,183 kg (190,000 lb). Thrust (vac): 11,519.999 kN (2,589,799 lbf). Isp: 269 sec. Burn time: 124 sec. Propellants: Solid. Isp(sl): 237 sec. Diameter: 3.71 m (12.17 ft). Span: 5.10 m (16.70 ft). Length: 38.47 m (126.21 ft). Country: USA. No Engines: 1. Motor: SRB. Status: Study 1989. Cost $ : 23.200 million. First Flight: 1981. Last Flight: 2003. No Launched: 232. Other designations: Solid Rocket Booster.

Original configuration.

Model: Shuttle RSRM. Gross Mass: 590,000 kg (1,300,000 lb). Empty Mass: 88,000 kg (194,000 lb). Thrust (vac): 11,519.999 kN (2,589,799 lbf). Isp: 267 sec. Burn time: 123 sec. Propellants: Solid. Propellant Formulation: PBAN. Isp(sl): 235 sec. Diameter: 3.77 m (12.36 ft). Span: 5.10 m (16.70 ft). Length: 45.46 m (149.14 ft). Country: USA. No Engines: 1. Motor: RSRM. Status: Study 1996. Other designations: Redesigned Solid Rocket Motor.

After the Challenger disaster the redesigned solid rocket motors had a slight reduction in performance due to reliability improvements.

Model: 5 Segment RSRM. Gross Mass: 751,212 kg (1,656,138 lb). Empty Mass: 100,350 kg (221,230 lb). Thrust (vac): 15,480.356 kN (3,480,122 lbf). Isp: 265 sec. Burn time: 110 sec. Propellants: Solid. Propellant Formulation: PBAN. Isp(sl): 234 sec. Diameter: 3.77 m (12.36 ft). Span: 5.10 m (16.70 ft). Length: 53.87 m (176.73 ft). Country: USA. No Engines: 1. Motor: RSRM. Status: In development.

Five-segment version of Shuttle RSRM studied in 1999-2003 to increase shuttle payload to ISS. Test fired in 2003 but not proceeded with. Another version proposed in 2005 for use as lateral boosters for the Constellation Cargo Vehicle.

Used on Launch Vehicles:
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