Status: Design 1975. Thrust: 1,637.00 kN (368,012 lbf). Gross mass: 137,000 kg (302,000 lb). Unfuelled mass: 9,300 kg (20,500 lb). Specific impulse: 331 s. Burn time: 250 s. Height: 20.00 m (65.00 ft). Diameter: 4.15 m (13.61 ft). Span: 4.15 m (13.61 ft).