Gross Mass: 3,697 kg (8,150 lb). Empty Mass: 431 kg (950 lb). Thrust (vac): 107.196 kN (24,099 lbf). Isp: 282 sec. Burn time: 120 sec. Propellants: Solid. Isp(sl): 0 sec. Diameter: 1.60 m (5.20 ft). Span: 1.60 m (5.20 ft). Length: 1.83 m (6.00 ft). Country: USA. No Engines: 1. Engine: Star 63. Cost $ : 5.890 million. First Flight: 1990. Last Flight: 2006. No Launched: 104. Used as: Shuttle,Titan 34D.