UM-129

home topic index

Model: UM-129A. Gross Mass: 2,200 kg (4,800 lb). Empty Mass: 360 kg (790 lb). Thrust (vac): 77.400 kN (17,400 lbf). Isp: 291 sec. Burn time: 68 sec. Propellants: Solid. Isp(sl): 220 sec. Diameter: 1.34 m (4.39 ft). Span: 1.34 m (4.39 ft). Length: 2.34 m (7.67 ft). Country: Japan. No Engines: 1. Motor: H-1-3. Status: Retired 1992. Cost $ : 10.000 million. First Flight: 1986. Last Flight: 1992. No Launched: 13. Other designations: UM-129A. Used on Launch Vehicles: Delta. 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.