AKA: Martlet 4A;Martlet 4i-1. Status: Development ended 1966. Thrust: 67.70 kN (15,220 lbf). Gross mass: 570 kg (1,250 lb). Unfuelled mass: 110 kg (240 lb). Specific impulse: 300 s. Specific impulse sea level: 210 s. Burn time: 20 s. Diameter: 0.30 m (0.98 ft).
Thrust (sl): 47.400 kN (10,656 lbf). Thrust (sl): 4,830 kgf.