Status: Study 1963. Thrust: 122,749.00 kN (27,595,072 lbf). Gross mass: 227,000 kg (500,000 lb). Unfuelled mass: 227,000 kg (500,000 lb). Specific impulse: 439 s. Specific impulse sea level: 382 s. Burn time: 190 s. Height: 18.20 m (59.70 ft). Diameter: 27.40 m (89.80 ft). Span: 33.00 m (108.00 ft).