Gross Mass: 1,243 kg (2,740 lb). Empty Mass: 168 kg (370 lb). Thrust (vac): 51.151 kN (11,499 lbf). Isp: 297 sec. Burn time: 60 sec. Propellants: Solid. Isp(sl): 230 sec. Diameter: 0.94 m (3.08 ft). Span: 0.94 m (3.08 ft). Length: 1.86 m (6.10 ft). Country: USA. No Engines: 1. Engine: Star 37X. Status: Out of Production. Cost $ : 4.350 million.