This page no longer updated from 31 October 2001.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

Gross Mass: 23,077 kg. Empty Mass: 2,292 kg. Thrust (vac): 80,700 kgf. Isp: 262 sec. Burn time: 60 sec. Propellants: Solid Isp(sl): 237 sec. Diameter: 1.7 m. Span: 1.7 m. Length: 7.5 m. Country: USA. No Engines: 1. M55/TX-55/Tu-122 Status: Hardware. Comments: First stage of Minuteman I. Proposed as zero stage for various Saturn variants in 1960's. Surplus motors used in ABM SDI tests in 1980's and 1990's.
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Last update 12 March 2001.
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© Mark Wade, 2001 .