AKA: Kvant-1. Status: Design 1994. Thrust: 1,102.20 kN (247,784 lbf). Gross mass: 74,000 kg (163,000 lb). Unfuelled mass: 7,000 kg (15,400 lb). Specific impulse: 335 s. Specific impulse sea level: 297 s. Burn time: 195 s. Height: 10.30 m (33.70 ft). Diameter: 2.60 m (8.50 ft). Span: 2.60 m (8.50 ft).