This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Gross Mass: 76,400 kg.
Empty Mass: 10,400 kg. Thrust (vac): 230,000 kgf. Isp: 280 sec. Burn time: 101 sec. Propellants: Solid Isp(sl): 230 sec. Diameter: 2.5 m. Span: 2.5 m. Length: 15.2 m. Country: Japan. No Engines: 1. SRB-A Status: Development. Comments: Shorter monolithic motor using filament-wound case technology from Thiokol. Version for J-1 has 1,000 kg less propellant and 1,200 kg less empty mass.
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Last update 12 March 2001.
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© Mark Wade, 2001 .