AKA: Project Pilot 1-4. Status: Retired 1958. Thrust: 5.10 kN (1,147 lbf). Gross mass: 10 kg (22 lb). Unfuelled mass: 3.00 kg (6.60 lb). Burn time: 5.70 s. Height: 0.50 m (1.64 ft). Diameter: 0.20 m (0.65 ft).