Liberty 2

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Model: Liberty 2. Gross Mass: 2,180 kg (4,800 lb). Empty Mass: 180 kg (390 lb). Thrust (vac): 17.789 kN (3,999 lbf). Isp: 300 sec. Burn time: 326 sec. Propellants: N2O4/MMH. Isp(sl): 200 sec. Diameter: 1.43 m (4.69 ft). Span: 1.43 m (4.69 ft). Length: 4.02 m (13.18 ft). Country: USA. No Engines: 1. Motor: Liberty-2. Status: Development ended 1988. Cost $ : 1.250 million. First Flight: 1988. Used on Launch Vehicles: Liberty. 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.