This page no longer updated from 31 October 2001.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

Gross Mass: 300 kg. Empty Mass: 100 kg. Thrust (vac): 41 kgf. Isp: 230 sec. Burn time: 1,100 sec. Propellants: Hydrazine Diameter: 2.4 m. Span: 2.4 m. Length: 0.7 m. Country: South Africa. No Engines: 2. RSA-4-4 Status: Development 1988.

Specific impulse estimated. Maximum propellant load indicated (hydrazine monopropellnat contained in 4 x 50 l tanks). Upper stage used for orbit circularization at apogee, dispensing of dual payloads, third station nutation damping. Equipped with 2 x 200 N engines for maneuver, 4 x 200 N for roll control, and 4 x 25 N for yaw and pitch.

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Last update 12 March 2001.
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© Mark Wade, 2001 .