Status: Study 1978. Thrust: 63,387.80 kN (14,250,145 lbf). Gross mass: 4,093,761 kg (9,025,198 lb). Unfuelled mass: 419,154 kg (924,076 lb). Specific impulse: 485 s. Specific impulse sea level: 412 s. Burn time: 500 s. Height: 26.50 m (86.90 ft). Diameter: 29.70 m (97.40 ft). Span: 29.70 m (97.40 ft).
Cost $ : 50.000 million. No Engines: 17.