AKA: Emma-1. Status: Retired 1963. Thrust: 1.40 kN (315 lbf). Gross mass: 50 kg (110 lb). Unfuelled mass: 11 kg (24 lb). Burn time: 37 s. Height: 1.70 m (5.50 ft). Diameter: 0.13 m (0.42 ft).