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Model: Kvant. Gross Mass: 210,000 kg (460,000 lb). Empty Mass: 15,000 kg (33,000 lb). Thrust (vac): 3,216.000 kN (722,985 lbf). Isp: 336 sec. Burn time: 195 sec. Propellants: Lox/Kerosene. Isp(sl): 298 sec. Diameter: 3.90 m (12.70 ft). Span: 3.90 m (12.70 ft). Length: 23.00 m (75.00 ft). Country: Russia. No Engines: 4. Motor: RD-120K. Status: Design 1985. First Flight: 1995.

4 11D121 verniers. Empty mass estimated.



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