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N1 Block D
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11d68.jpg+Block D / 11D68
Aft view of the Block D lunar crasher stage and its 11D68 engine. The Block D would have taken the LK lunar lander to near the surface of the moon. This stage remains in use today atop the Proton rocket.
Credit - © Mark Wade
+240Gross Mass: 18,200 kg (40,100 lb). Empty Mass: 3,500 kg (7,700 lb). Thrust (vac): 83.300 kN (18,727 lbf). Isp: 349 sec. Burn time: 600 sec. Propellants: Lox/Kerosene. Isp(sl): 0 sec. Diameter: 2.90 m (9.50 ft). Span: 2.90 m (9.50 ft). Length: 5.70 m (18.70 ft). Country: Russia. No Engines: 1. Engine: RD-58. Status: Development ended 1974. First Flight: 1969. Last Flight: 1972. No Launched: 4. Block D adapted as lunar crasher stage
Used on Launch Vehicles:
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© Mark Wade, 1997 - 2007 except where otherwise noted.
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