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Ion
Electric/Mercury propellant rocket stage. 1981 conceptual design of ion upper stage sized for use in the shuttle. It was nuclear-electric and intended for trans-Jovian planetary missions.

Status: Study. Thrust: 274 N (61 lbf). Gross mass: 15,627 kg (34,451 lb). Unfuelled mass: 5,498 kg (12,121 lb). Specific impulse: 5,300 s. Burn time: 1,900,000 s. Height: 18.00 m (59.00 ft). Diameter: 4.40 m (14.40 ft). Span: 4.40 m (14.40 ft).

Cost $ : 49.010 million.



Family: Space Tugs. Country: USA. Propellants: Electric/Mercury. Stages: Ion.

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