This page no longer updated from 31 October 2001.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

Gross Mass: 150,400 kg. Empty Mass: 10,000 kg. Thrust (vac): 306,000 kgf. Isp: 289 sec. Burn time: 128 sec. Propellants: N2O4/UDMH Isp(sl): 258 sec. Diameter: 3.4 m. Span: 3.4 m. Length: 20.1 m. Country: China. No Engines: 4. YF-20A Status: Hardware.
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Last update 12 March 2001.
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© Mark Wade, 2001 .