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Blok E

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Blok E[1]
Country of originSoviet Union
Used onN-1
General characteristics
Gross mass2,950 kg (6,500 lb)
Launch history
StatusRetired
Blok E[1]
Powered by11D410
Maximum thrust20 kN (4,500 lbf)
Specific impulse315 s (3.09 km/s)
PropellantUDMH/Dinitrogen tetroxide

Blok E is a rocket stage used on Soviet proposed LK lunar module[2].

The main engine would have to ignite twice during the flight -- first, during the 10-second final descent to the Moon, after the LK spacecraft had separated from the Block D propulsion system. The same engine would fire for the second time for the liftoff and the ascent from the Moon to reach the lunar orbit before a rendezvous with the LOK orbiting spacecraft.

See also

  • Blok D – Related stage.
  • N-1 – original launch vehicle for which this stage was developed.


References

  1. ^ http://www.russianspaceweb.com/lk-block-e.html
  2. ^ http://www.russianspaceweb.com/lk-block-e.html
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