X-258

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Engine Model: X-258. Manufacturer Name: X-258. Other Designations: Altair 2. Designer: Thiokol. Gross Mass: 275 kg (606 lb). Empty Mass: 37 kg (81 lb). Propellants: Solid. Thrust(vac): 22.200 kN (4,991 lbf). Thrust(sl): 20.200 kN (4,541 lbf). Isp: 266 sec. Isp (sea level): 242 sec. Burn time: 28 sec. Diameter: 0.64 m (2.09 ft). Length: 2.53 m (8.30 ft). Chambers: 1. Country: USA. First Flight: 1963. Last Flight: 1973. Flown: 29. X-258 used on Rocket Stages Used on stage: Altair. on launch vehicle: Atlas. Used on stage: Altair. on launch vehicle: Bold Orion. Used on stage: Altair. on launch vehicle: Caleb. Used on stage: Altair. on launch vehicle: Delta. Used on stage: Altair. on launch vehicle: Javelin. Used on stage: Altair. on launch vehicle: Journeyman. Used on stage: Altair. on launch vehicle: Scanner. Used on stage: Altair. on launch vehicle: Scout. Used on stage: Altair. on launch vehicle: Sergeant. Used on stage: Altair. on launch vehicle: Trailblazer. 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 - 2008 except where otherwise noted.