Status: Study 1961. Thrust: 889.33 kN (199,928 lbf). Gross mass: 52,144 kg (114,957 lb). Unfuelled mass: 6,801 kg (14,993 lb). Specific impulse: 420 s. Specific impulse sea level: 200 s. Burn time: 207 s. Height: 15.40 m (50.50 ft). Diameter: 5.59 m (18.33 ft). Span: 5.59 m (18.33 ft).