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Helios B-2
Part of Helios A-2 Family
Nuclear/LH2 propellant rocket stage. Nuclear second stage.

Status: Study 1960. Thrust: 3,330.00 kN (748,610 lbf). Gross mass: 177,000 kg (390,000 lb). Unfuelled mass: 29,000 kg (63,000 lb). Specific impulse: 830 s. Burn time: 355 s. Height: 77.70 m (254.90 ft). Diameter: 6.70 m (21.90 ft). Span: 10.10 m (33.10 ft).



Country: USA. Engines: Nuclear 14 Gw. Launch Vehicles: Helios B. Propellants: Nuclear/LH2.

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