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| Helios - Helios Launch Vehicle Credit: © Mark Wade. 1,079 bytes. 52 x 348 pixels. |
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Family: Nerva. Country: USA. Status: Study, Ehricke, 1960.
Booster stage contains Lox tanks only to take nuclear second stage to stratosphere. Nuclear sustainer takes payload to orbit or escape trajectory.
SpecificationsLEO Payload: 144,600 kg. to: 556 km Orbit. at: 0.0 degrees. Payload: 81,600 kg. to a: escape trajectory. Liftoff Thrust: 674,900 kgf. Total Mass: 586,520 kg. Core Diameter: 6.7 m. Total Length: 93.0 m.
- Stage Number: 1. 1 x Helios B-1 Gross Mass: 236,000 kg. Empty Mass: 14,000 kg. Thrust (vac): 794,000 kgf. Isp: 400 sec. Burn time: 110 sec. Isp(sl): 340 sec. Diameter: 6.7 m. Span: 10.1 m. Length: 8.8 m. Propellants: Lox/LH2 No Engines: 5. Helios Stage 1
- Stage Number: 2. 1 x Helios B-2 Gross Mass: 177,000 kg. Empty Mass: 29,000 kg. Thrust (vac): 340,000 kgf. Isp: 830 sec. Burn time: 355 sec. Diameter: 6.7 m. Span: 10.1 m. Length: 77.7 m. Propellants: Nuclear/LH2 No Engines: 1. Nuclear 14 Gw
Bibliography:- 45 - Koelle, Heinz Hermann,, Handbook of Astronautical Engineering, McGraw-Hill,New York, 1961.
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Last update 12 March 2001.
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