This page no longer updated from 31 October 2001.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

Used on stages: Helios A-1, Helios B-1, Helios C-1. Used on launch vehicles: Helios A, Helios B, Helios C. Propellants: Lox/LH2 Thrust(vac): 170,000 kgf. Thrust(vac): 1,667.00 kN. Isp: 400 sec. Isp (sea level): 340 sec. Burn time: 117 sec. Chambers: 1. Country: USA. Status: Study, Ehricke, 1960. Comments: Engines for booster stage with Lox tanks only to take nuclear second stage to stratosphere.
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Last update 12 March 2001.
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© Mark Wade, 2001 .