Antares 3A Gross Mass: 1,637 kg (3,608 lb). Empty Mass: 352 kg (776 lb). Thrust (vac): 80.796 kN (18,164 lbf). Isp: 295 sec. Burn time: 48 sec. Propellants: Solid. Isp(sl): 0 sec. Diameter: 0.76 m (2.49 ft). Span: 0.76 m (2.49 ft). Length: 3.51 m (11.51 ft). Country: USA. No Engines: 1. Engine: X-259A. Status: Out of production. Cost $ : 4.000 million. First Flight: 1979. Last Flight: 1994. No Launched: 17. Used on Launch Vehicles: Scout G.                   Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2007 except where otherwise noted.

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