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Proton 11S824M
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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: 14,000 kg (30,000 lb). Empty Mass: 1,830 kg (4,030 lb). Thrust (vac): 85.020 kN (19,113 lbf). Isp: 352 sec. Burn time: 570 sec. Propellants: Lox/Kerosene. Diameter: 3.70 m (12.10 ft). Span: 3.70 m (12.10 ft). Length: 5.50 m (18.00 ft). Country: Russia. No Engines: 1. Engine: RD-58M. Cost $ : 4.000 million. First Flight: 1976. Last Flight: 1989. No Launched: 11. Other designations: 11S824; Block D; D-1-e. Also known as Block D-1; article number 11S824M. Without guidance unit (navigation commands come from payload). Successor to 11S824. Used to launch large Lavochkin bureau unmanned lunar/planetary/high earth orbit spacecraft from 1976 to 1989.
Used on Launch Vehicles:
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© Mark Wade, 1997 - 2007 except where otherwise noted.
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