Gross Mass: 4,424 kg (9,753 lb). Empty Mass: 695 kg (1,532 lb). Thrust (vac): 258.915 kN (58,206 lbf). Isp: 262 sec. Burn time: 37 sec. Propellants: Solid. Isp(sl): 232 sec. Diameter: 0.79 m (2.59 ft). Span: 0.79 m (2.59 ft). Length: 6.04 m (19.81 ft). Country: USA. No Engines: 1. Engine: TX-354-3. Cost $ : 1.010 million. First Flight: 1960. Last Flight: 1994. No Launched: 1054. Used as: Scout A; Delta E.