Status: Retired 1972. Thrust: 83.30 kN (18,727 lbf). Gross mass: 18,200 kg (40,100 lb). Unfuelled mass: 3,500 kg (7,700 lb). Specific impulse: 349 s. Burn time: 600 s. Height: 5.70 m (18.70 ft). Diameter: 2.90 m (9.50 ft). Span: 2.90 m (9.50 ft).