This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
astronautix.com 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.

Back to Index
Last update 12 March 2001.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .