[FPSPACE] Soyuz LV question

[Anatoly Zak]

Nicolas:

During a nominal separation, bottom connections of strap-on boosters are
severed first, which causes boosters to start rotating around the forward
(top) attachments, which are in turn designed to disengage, when a certain
angle of rotation is reached.

Hope it helps,

Anatoly Zak
http://www.russianspaceweb.com


On 9/26/09 3:38 PM, "Nicolas PILLET" <nikolai39 at hotmail.fr> wrote:

> Dear FPspacers,
> 
> I have a question regarding the Blocks B/V/G/D/ attachment to the central core
> (Block A).
> 
> Lateral blocks litterally bear the central core. During the ascent, they
> litterally PUSH the launcher, so if their RD-107 engines shut down, they
> simply fall down on the pad, like it was the case during Foton-M n°1 launch,
> in october 2002.
> 
> I am writing an article on the lateral blocks for my website, Kosmonavtika,
> and you can see the draft here :
> http://www.kosmonavtika.com/lanceurs/soyouz/tech/2/2.html
> 
> My question is : do you know how the separation occur after the completion of
> the lateral blocks' burn ? Do they NATURALLY fall down, or is there a
> separation device to ensure they separate exactly at the good time ?
> 
> Other question : how are the lateral blocks linked to the pad's "arms" ? And
> how are the "arms" separated at the moment of the launch ?
> 
> Thank you very much for sharing information !
> 
> Regards,
> 
> Nicolas
> 
> 
> 
>        
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