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. Engine: FW-4S, TEM640. Cost $ : 0.750 million. First Flight: 1965. Last Flight: 1994. No Launched: 66. No Failed: 5. Used on Launch Vehicles: Advanced Scout. Scout B. Scout D. Scout F. 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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