AKA: S5.80. Status: In Production. Date: -1977. Thrust: 6.19 kN (1,392 lbf). Unfuelled mass: 310 kg (680 lb). Specific impulse: 302 s. Burn time: 890 s. Height: 1.20 m (3.95 ft). Diameter: 2.10 m (6.80 ft).
Three thrust levels by 4 valves: 6000 N, 0.7 N, 0.3 N. Specific impulse 326 - 286 sec.
Engine: 310 kg (680 lb). Chamber Pressure: 8.80 bar. Area Ratio: 153.8. Thrust to Weight Ratio: 2.03. Oxidizer to Fuel Ratio: 1.85.