Status: Study 1974. Thrust: 1,960.00 kN (440,620 lbf). Gross mass: 320,000 kg (700,000 lb). Unfuelled mass: 82,000 kg (180,000 lb). Specific impulse: 455 s. Specific impulse sea level: 337 s. Burn time: 270 s. Height: 49.00 m (160.00 ft). Diameter: 7.00 m (22.90 ft). Span: 25.00 m (82.00 ft).
No Engines: 4.