This page no longer updated from 31 October 2001. Latest version can be found at H-2A LRB

Gross Mass: 117,000 kg. Empty Mass: 17,800 kg. Thrust (vac): 224,000 kgf. Isp: 440 sec. Burn time: 193 sec. Propellants: Lox/LH2 Isp(sl): 338 sec. Diameter: 4.0 m. Span: 4.0 m. Length: 36.7 m. Country: Japan. No Engines: 2. LE-7A Status: Development. Comments: Two-engine version of H-2A-1 used as strap-on booster.
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Last update 12 March 2001.
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© Mark Wade, 2001 .