Vanguard 3

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Model: Vanguard 3. Gross Mass: 210 kg (460 lb). Empty Mass: 31 kg (68 lb). Thrust (vac): 11.562 kN (2,599 lbf). Isp: 230 sec. Burn time: 31 sec. Propellants: Solid. Isp(sl): 210 sec. Diameter: 0.50 m (1.64 ft). Span: 0.50 m (1.64 ft). Length: 2.00 m (6.50 ft). Country: USA. No Engines: 1. Motor: GCRC. Status: Retired 1959. Cost $ : 0.500 million. First Flight: 1957. Last Flight: 1959. No Launched: 13. No Failed: 2. Used on Launch Vehicles: Vanguard. 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.