This page no longer updated from 31 October 2001.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

Designer: Nissan. Used on stages: H-2A-0. Used on launch vehicles: H-2A. Gross Mass: 76,400 kg. Empty Mass: 10,400 kg. Propellants: Solid Thrust(vac): 230,000 kgf. Isp: 280 sec. Burn time: 101 sec. Diameter: 2.5 m. Length: 15.2 m. Chambers: 1. Chamber Pressure: 118.00 bar. Area Ratio: 17.70. Country: Japan. Status: In Development. Comments: Monolithic motor, shorter than that for H-2, using Thiokol filament wound composite structure.
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Last update 12 March 2001.
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© Mark Wade, 2001 .