X-248

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Engine Model: X-248. Manufacturer Name: X-248. Other Designations: Altair 1. Designer: Thiokol. Gross Mass: 238 kg (524 lb). Empty Mass: 30 kg (66 lb). Propellants: Solid. Thrust(vac): 12.400 kN (2,788 lbf). Thrust(sl): 11.300 kN (2,540 lbf). Isp: 256 sec. Isp (sea level): 233 sec. Burn time: 38 sec. Diameter: 0.46 m (1.50 ft). Length: 1.83 m (6.00 ft). Chambers: 1. Country: USA. First Flight: 1959. Last Flight: 1969. Flown: 51. Engine Model: X-248A. Manufacturer Name: X-248A. Other Designations: Altair 1A. Designer: Thiokol. Gross Mass: 390 kg (850 lb). Empty Mass: 181 kg (399 lb). Propellants: Solid. Thrust(vac): 13.800 kN (3,102 lbf). Thrust(sl): 12.500 kN (2,810 lbf). Isp: 255 sec. Isp (sea level): 232 sec. Burn time: 40 sec. Diameter: 0.46 m (1.50 ft). Length: 2.50 m (8.20 ft). Chambers: 1. Country: USA. First Flight: 1960. Last Flight: 1964. Flown: 24. X-248 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.