This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Family: Winged. Country: USA. Status: Design concept.
NASA-sponsored air-dropped unmanned hypersonic winged launch vehicle stage. Plans to use as first reusable stage for two-stage light satellite launcher dropped when commercial backing evaporated after dispute over engine selection.
Liftoff Thrust: 39,400 kgf. Total Mass: 34,000 kg. Core Diameter: 3.1 m. Total Length: 26.0 m. Flyaway Unit Cost $: 3.00 million. in 1985 unit dollars.
- Stage Number: 1. 1 x X-34A-1 Gross Mass: 29,500 kg. Empty Mass: 6,700 kg. Thrust (vac): 39,400 kgf. Isp: 316 sec. Burn time: 180 sec. Isp(sl): 220 sec. Diameter: 3.1 m. Span: 10.4 m. Length: 21.9 m. Propellants: Lox/Kerosene No Engines: 1. RS-56-OSA
- Stage Number: 2. 1 x X-34A-2 Gross Mass: 4,500 kg. Empty Mass: 300 kg. Thrust (vac): 4,500 kgf. Isp: 348 sec. Burn time: 325 sec. Diameter: 2.0 m. Span: 2.0 m. Length: 4.0 m. Propellants: Lox/Kerosene No Engines: 1. FastTrack
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Last update 12 March 2001.
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© Mark Wade, 2001 .