| Superraket Block B |
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Model: Superraket Block B. Gross Mass: 700,000 kg (1,540,000 lb). Empty Mass: 75,000 kg (165,000 lb). Thrust (vac): 8,330.000 kN (1,872,650 lbf). Isp: 550 sec. Burn time: 400 sec. Propellants: Nuclear/Ammonia. Isp(sl): 500 sec. Diameter: 9.00 m (29.50 ft). Span: 9.00 m (29.50 ft). Length: 26.00 m (85.00 ft). Country: Russia. No Engines: 2. Motor: YaRD OKB-456. Status: Development ended 1959. Nuclear engine operating at 3500 deg K. Mass estimated; empty mass calculated. Used on Launch Vehicles:
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