Status: Study 1970. Thrust: 4,804.13 kN (1,080,011 lbf). Gross mass: 424,449 kg (935,749 lb). Unfuelled mass: 138,910 kg (306,240 lb). Specific impulse: 459 s. Specific impulse sea level: 359 s. Burn time: 264 s. Height: 64.02 m (210.03 ft). Diameter: 4.57 m (14.99 ft). Span: 37.80 m (124.00 ft).
No Engines: 2.