Nerva 2 Propellants: Nuclear/LH2. Thrust(vac): 867.400 kN (194,999 lbf). Thrust(sl): 399.500 kN (89,811 lbf). Isp: 825 sec. Isp (sea level): 380 sec. Burn time: 1,200 sec. Mass Engine: 11,860 kg (26,140 lb). Diameter: 10.55 m (34.61 ft). Length: 4.24 m (13.91 ft). Chambers: 1. Thrust to Weight Ratio: 7.46. Country: USA. Status: Developed 1950-74. Nerva 2 used on Rocket Stages Used on stage: Nerva . Nerva 2 used on Spacecraft Used on: Nerva .                   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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