Viking 2 Viking 2 Designer: SEP. Propellants: N2O4/UDMH. Thrust(vac): 693.000 kN (155,792 lbf). Thrust(sl): 611.600 kN (137,493 lbf). Isp: 281 sec. Isp (sea level): 248 sec. Burn time: 145 sec. Mass Engine: 776 kg (1,710 lb). Diameter: 0.95 m (3.11 ft). Length: 2.87 m (9.41 ft). Chambers: 1. Chamber Pressure: 55.00 bar. Area Ratio: 11.00. Thrust to Weight Ratio: 91.06. Country: France. Status: In production. First Flight: 1979. Last Flight: 2006. Flown: 60. Viking 2 used on Rocket Stages Used on stage: Ariane 1-1. on launch vehicle: Ariane 1. Used on stage: GSLV-0. on launch vehicle: GSLV.                   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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