Encyclopedia Astronautica Home - Search - Browse - Alphabetic Index: 0- 1- 2- 3- 4- 5- 6- 7- 8- 9 A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z Proton 11S824  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 AKA: 11S824; Block D; D-1-e. Status: Retired 1975. Thrust: 83.30 kN (18,727 lbf). Gross mass: 13,360 kg (29,450 lb). Unfuelled mass: 1,800 kg (3,900 lb). Specific impulse: 346 s. Burn time: 470 s. Height: 5.50 m (18.00 ft). Diameter: 3.70 m (12.10 ft). Span: 3.70 m (12.10 ft). Block D, article number 11S824. Without guidance unit (navigation commands come from payload). 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.
Cost $ : 4.000 million.
Family: Space Tugs. Country: Russia. Engines: 11D79, RD-58. Launch Vehicles: Proton-K/D. Propellants: Lox/Kerosene. Home - Search - Browse - Alphabetic Index: 0- 1- 2- 3- 4- 5- 6- 7- 8- 9 A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z � 1997-2016 Mark Wade - Contact � / Conditions for Use |
