Gross Mass: 124 kg (273 lb). Empty Mass: 14 kg (30 lb). Thrust (vac): 19.600 kN (4,406 lbf). Isp: 280 sec. Burn time: 18 sec. Propellants: Solid. Isp(sl): 220 sec. Diameter: 0.44 m (1.44 ft). Span: 0.44 m (1.44 ft). Length: 0.98 m (3.21 ft). Country: USA. No Engines: 1. Engine: Star 17. Status: Out of production. Cost $ : 0.580 million. First Flight: 1963. Last Flight: 1965. No Launched: 15.