This page no longer updated from 31 October 2001.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

Gross Mass: 1,250,000 kg. Empty Mass: 148,000 kg. Thrust (vac): 2,442,000 kgf. Isp: 459 sec. Burn time: 360 sec. Propellants: Lox/LH2 Isp(sl): 359 sec. Diameter: 10.0 m. Span: 15.2 m. Length: 34.8 m. Country: USA. No Engines: 1. Plug-Nozzle Pegasus Status: Study. Comments: Empty mass includes 29,600 kg of propellants used for re-entry cooling of plug nozzle and rocket soft landing at landing field.
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Last update 12 March 2001.
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© Mark Wade, 2001 .