This page no longer updated from 31 October 2001. Latest version can be found at DAC Helios ISI-1

Gross Mass: 1,333,000 kg. Empty Mass: 120,000 kg. Thrust (vac): 5,079,000 kgf. Isp: 455 sec. Burn time: 107 sec. Propellants: Lox/LH2 Isp(sl): 365 sec. Diameter: 24.4 m. Span: 29.0 m. Length: 22.9 m. Country: USA. No Engines: 4. Chamber/single nozzle Status: Study 1963. Comments: .
Back to Index
Last update 12 March 2001.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .