AKA: Petrel 2-1;Petrel-1. Status: Retired 1982. Thrust: 4.50 kN (1,012 lbf). Gross mass: 100 kg (220 lb). Unfuelled mass: 26 kg (57 lb). Burn time: 30 s. Height: 1.80 m (5.90 ft). Diameter: 0.19 m (0.62 ft).