| RSA-4-4 |
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Model: RSA-4-4. Gross Mass: 300 kg (660 lb). Empty Mass: 100 kg (220 lb). Thrust (vac): 402 N (90 lbf). Isp: 230 sec. Burn time: 1,100 sec. Propellants: Hydrazine. Diameter: 2.40 m (7.80 ft). Span: 2.40 m (7.80 ft). Length: 0.67 m (2.19 ft). Country: South Africa. No Engines: 2. 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. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted. |