This page no longer updated from 31 October 2001. Latest version can be found at Castor 120

Gross Mass: 53,020 kg. Empty Mass: 4,211 kg. Thrust (vac): 163,827 kgf. Isp: 286 sec. Burn time: 83 sec. Propellants: Solid Isp(sl): 229 sec. Diameter: 2.4 m. Span: 2.4 m. Length: 10.7 m. Country: USA. No Engines: 1. Castor 120 Status: Hardware. Comments: Modification of Peackeeper ICBM first stage.
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Last update 12 March 2001.
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© Mark Wade, 2001 .