Altair

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Model: Altair 1. Gross Mass: 238 kg (524 lb). Empty Mass: 30 kg (66 lb). Thrust (vac): 12.450 kN (2,799 lbf). Isp: 256 sec. Burn time: 38 sec. Propellants: Solid. Isp(sl): 233 sec. Diameter: 0.46 m (1.50 ft). Span: 0.46 m (1.50 ft). Length: 1.83 m (6.00 ft). Country: USA. No Engines: 1. Motor: X-248. Status: Retired 1978. Cost $ : 0.600 million. First Flight: 1956. Last Flight: 1973. No Launched: 81. No Failed: 2. Model: Caleb-2. Gross Mass: 267 kg (588 lb). Empty Mass: 23 kg (50 lb). Thrust (vac): 13.778 kN (3,097 lbf). Isp: 254 sec. Burn time: 39 sec. Propellants: Solid. Isp(sl): 204 sec. Diameter: 0.00 m ( ft). Span: 0.00 m ( ft). Length: 0.00 m ( ft). Country: USA. No Engines: 1. Motor: X-248. Status: Retired 1962. First Flight: 1960. Last Flight: 1962. No Launched: 7. Model: Altair 1A. Gross Mass: 390 kg (850 lb). Empty Mass: 181 kg (399 lb). Thrust (vac): 13.788 kN (3,100 lbf). Isp: 255 sec. Burn time: 40 sec. Propellants: Solid. Isp(sl): 232 sec. Diameter: 0.46 m (1.50 ft). Span: 0.46 m (1.50 ft). Length: 2.50 m (8.20 ft). Country: USA. No Engines: 1. Motor: X-248A. Status: Retired 1964. Cost $ : 1.000 million. First Flight: 1962. Last Flight: 1964. No Launched: 2. Model: Altair 2. Gross Mass: 275 kg (606 lb). Empty Mass: 37 kg (81 lb). Thrust (vac): 22.241 kN (5,000 lbf). Isp: 266 sec. Burn time: 28 sec. Propellants: Solid. Isp(sl): 242 sec. Diameter: 0.64 m (2.09 ft). Span: 0.64 m (2.09 ft). Length: 2.53 m (8.30 ft). Country: USA. No Engines: 1. Motor: X-258. Status: Retired 1973. Cost $ : 0.700 million. First Flight: 1957. Last Flight: 1973. No Launched: 46. No Failed: 1. Model: Altair 3. Gross Mass: 301 kg (663 lb). Empty Mass: 25 kg (55 lb). Thrust (vac): 27.400 kN (6,160 lbf). Isp: 280 sec. Burn time: 27 sec. Propellants: Solid. Isp(sl): 255 sec. Diameter: 0.64 m (2.09 ft). Span: 0.64 m (2.09 ft). Length: 2.53 m (8.30 ft). Country: USA. No Engines: 1. Motor: FW-4S TEM640. Status: Study 1993. Cost $ : 0.750 million. First Flight: 1965. Last Flight: 1994. No Launched: 82. No Failed: 4. Used on Launch Vehicles: Atlas. Bold Orion. Caleb. Delta. Javelin. Journeyman. Scanner. Scout. Sergeant. 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.