AKA: Star 20D. Status: Retired 1972. Number: 25 . Thrust: 25.00 kN (5,620 lbf). Gross mass: 300 kg (660 lb). Unfuelled mass: 25 kg (55 lb). Specific impulse: 287 s. Specific impulse sea level: 250 s. Burn time: 31 s. Height: 1.48 m (4.85 ft). Diameter: 0.50 m (1.64 ft).
Thrust (sl): 21.800 kN (4,901 lbf). Thrust (sl): 2,220 kgf.