Status: Study 1985. Thrust: 15,481.26 kN (3,480,326 lbf). Gross mass: 950,000 kg (2,090,000 lb). Unfuelled mass: 60,000 kg (132,000 lb). Specific impulse: 304 s. Specific impulse sea level: 265 s. Burn time: 170 s. Height: 35.00 m (114.00 ft). Diameter: 8.38 m (27.49 ft). Span: 8.38 m (27.49 ft).
Cost $ : 180.000 million. No Engines: 2.