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Proton 11S824
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11d68det.jpg+Engine 11D68 detail
Close-up view of the 11D68 Block D lunar crasher stage showing detail of the BOZ orientation/ullage thrusters that control the stage during coast, restart, and manoeuvre.
Credit - © Mark Wade
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+324Gross Mass: 13,360 kg (29,450 lb). Empty Mass: 1,800 kg (3,900 lb). Thrust (vac): 83.300 kN (18,727 lbf). Isp: 346 sec. Burn time: 470 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-58. Cost $ : 4.000 million. First Flight: 1967. Last Flight: 1975. No Launched: 39. No Failed: 6. Other designations: 11S824; Block D; D-1-e. Block D, article number 11S824. Without guidance unit (navigation commands come from payload). Originally designed as N1-L3 lunar expedition launch vehicle lunar orbit insertion/lunar crasher stage. Adapted for use with Proton UR-500K as a fourth stage for manned circumlunar flight. Further used to launch large Lavochkin bureau unmanned lunar/planetary spacecraft. Flown from 1967 to 1975.
Used on Launch Vehicles:
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© Mark Wade, 1997 - 2007 except where otherwise noted.
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