This page no longer updated from 31 October 2001. Latest version can be found at GEM 60

Gross Mass: 33,798 kg. Empty Mass: 3,849 kg. Thrust (vac): 84,285 kgf. Isp: 275 sec. Burn time: 90 sec. Propellants: Solid Isp(sl): 243 sec. Diameter: 1.5 m. Span: 1.5 m. Length: 53.0 m. Country: USA. No Engines: 1. GEM 60 Status: Development. Comments: 90.5 bar chamber pressure, 11.0 nozzle expansion ratio. Figures for TVC version. Fixed nozzle version is 599 kg lighter.
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Last update 12 March 2001.
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© Mark Wade, 2001 .