Status: Study 1986. Thrust: 6,080.00 kN (1,366,830 lbf). Gross mass: 400,000 kg (880,000 lb). Unfuelled mass: 25,000 kg (55,000 lb). Specific impulse: 302 s. Specific impulse sea level: 250 s. Burn time: 175 s. Height: 20.00 m (65.00 ft). Diameter: 3.05 m (10.00 ft). Span: 5.80 m (19.00 ft).
Cost $ : 300.000 million. No Engines: 5.