AKA: R-11FM. Status: Out of production. Thrust: 92.83 kN (20,869 lbf). Gross mass: 4,473 kg (9,861 lb). Unfuelled mass: 1,080 kg (2,380 lb). Specific impulse: 250 s. Specific impulse sea level: 218 s. Burn time: 63 s. Height: 7.40 m (24.20 ft). Diameter: 0.88 m (2.88 ft). Span: 1.82 m (5.97 ft).