Nerva Gamma

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Nerva Gamma

Part of Nerva

Nuclear/LH2 propellant rocket stage. Improved version of the Alpha nuclear stage designed to fit into the space shuttle payload bay. Additional propellant modules could be added in orbit. Such propellant modules would have a mass of 23,181 kg, including 21,265 kg of usable propellant. Given an Alpha engine development program, it would have been flight tested by 1984. In addition to propulsion, it would provide 10 to 25 MWe power for missions of two to five years duration.

Status: Development 1972. Thrust: 81.00 kN (18,209 lbf). Gross mass: 18,643 kg (41,100 lb). Unfuelled mass: 5,829 kg (12,850 lb). Specific impulse: 975 s. Burn time: 1,500 s. Height: 18.29 m (60.00 ft). Diameter: 4.50 m (14.70 ft). Span: 4.50 m (14.70 ft).

Propellant Formulation: Nuclear/Slush Hydrogen.

Country: USA. Engines: Nerva Gamma engine. Propellants: Nuclear/LH2.

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