This page no longer updated from 31 October 2001. Latest version can be found at Castor 4

Manufacturer Name: TX-526. Other Designations: Castor 4. Designer: Thiokol. Used on stages: Castor 4. Gross Mass: 10,534 kg. Empty Mass: 1,269 kg. Propellants: Solid Thrust(vac): 41,524 kgf. Thrust(vac): 407.20 kN. Isp: 261 sec. Isp (sea level): 228 sec. Burn time: 54 sec. Diameter: 1.0 m. Length: 9.1 m. Chambers: 1. Country: USA. Status: Out of Production. First Flight: 1975. Last Flight: 1989. Flown: 342.
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Last update 12 March 2001.
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© Mark Wade, 2001 .