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Class: Tug. Nation: USA.

Upper stage / space tug - study 1969. Launched by Saturn V-25(S)U. Version of Nerva studied by Boeing for manned Mars expedition.

Early version of Nerva engine proposed for use in Saturn and RIFT configurations in 1961.

Length: 48.17 m (158.03 ft). Basic Diameter: 10.06 m (33.00 ft). Span: 10.06 m (33.00 ft). Mass: 245,760 kg (541,800 lb). Main Engine: Nerva. Main Engine Thrust: 889.325 kN (199,928 lbf). Main Engine Propellants: Nuclear/LH2. Main Engine Propellants: 174,570 kg (384,860 lb). Main Engine Isp: 825 sec.


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© Mark Wade, 1997 - 2008 except where otherwise noted.