X-259A Manufacturer Name: X-259A. Other Designations: Antares 3A. Designer: Thiokol. Gross Mass: 1,637 kg (3,608 lb). Empty Mass: 352 kg (776 lb). Propellants: Solid. Thrust(vac): 80.800 kN (18,165 lbf). Isp: 295 sec. Burn time: 48 sec. Diameter: 0.76 m (2.49 ft). Length: 3.51 m (11.51 ft). Chambers: 1. Chamber Pressure: 48.00 bar. Area Ratio: 59.00. Country: USA. Status: Out of production. First Flight: 1979. Last Flight: 1994. Flown: 17. X-259A used on Rocket Stages Used on stage: Antares 3A. on launch vehicle: 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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