Status: Study 1961. Thrust: 2,083.90 kN (468,479 lbf). Gross mass: 88,000 kg (194,000 lb). Unfuelled mass: 13,000 kg (28,000 lb). Specific impulse: 260 s. Specific impulse sea level: 235 s. Burn time: 90 s. Height: 16.40 m (53.80 ft). Diameter: 2.58 m (8.46 ft). Span: 2.58 m (8.46 ft).