Status: Study 1960. Thrust: 264.00 kN (59,349 lbf). Gross mass: 61,000 kg (134,000 lb). Unfuelled mass: 9,000 kg (19,800 lb). Specific impulse: 830 s. Burn time: 1,553 s. Height: 36.60 m (120.00 ft). Diameter: 9.10 m (29.80 ft). Span: 9.10 m (29.80 ft).