This page no longer updated from 31 October 2001. Latest version can be found at RSA-4-1

Gross Mass: 66,000 kg. Empty Mass: 8,000 kg. Thrust (vac): 155,000 kgf. Isp: 270 sec. Burn time: 73 sec. Propellants: Solid Isp(sl): 244 sec. Diameter: 2.4 m. Span: 5.9 m. Length: 10.3 m. Country: South Africa. No Engines: 1. RSA-4-1 Status: Development 1988. Comments: Vacuum specific impulse / thrust estimated. Sea leval 139,000 kNs delivered over 73 seconds. Includes 3400 kg mass of fins, interstage and upper-stage constant-diameter fairing ('sleeve') which is jettisoned after first stage burnout.
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Last update 12 March 2001.
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© Mark Wade, 2001 .