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GR-1 Stage 2
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Gross Mass: 25,000 kg (55,000 lb). Empty Mass: 2,100 kg (4,600 lb). Thrust (vac): 441.000 kN (99,140 lbf). Isp: 340 sec. Burn time: 170 sec. Propellants: Lox/Kerosene. Isp(sl): 240 sec. Diameter: 2.68 m (8.79 ft). Span: 2.68 m (8.79 ft). Length: 9.15 m (30.01 ft). Country: Russia. No Engines: 1. Engine: NK-9V. Other designations: 8K513 Blok B. Masses estimated based on total vehicle mass of 117 tonnes. Developed into Molniya/Soyuz second stage.
Used on Launch Vehicles:
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© Mark Wade, 1997 - 2007 except where otherwise noted.
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