Why does the Soyuz cover its main engine?

  • #1
As seen in Gravity, and also in this youtube video: , the Soyuz main engine is covered by a metal plate that it mechanically moved out of the way before firing. What is the function of this covering?
 

Answers and Replies

  • #2
DaveC426913
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That's a 20 minute video. I don't suppose you'd care to narrow down the segment in question?
 
  • #3
Bandersnatch
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(8:13)

My naive guess would be a micrometeorite cover.
 
  • #4
DaveC426913
Gold Member
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(8:13)

My naive guess would be a micrometeorite cover.
That was my thought too. Lots of things you wouldn't want getting into your handbasket-to-home. Bolts, wrenches, vapour, huge temperature gradients.
 

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