[FPSPACE] Soyuz LV question

[Anatoly Zak]

Yes, there is a  valve and, no, there are no attachments to the ³tulip²,
which opens up by gravity as soon as the thrust of engines is sufficient to
lift the rocket and it is no longer presses on the launch structure. To
clarify, I published an old Soviet drawing illustrating the process of stage
separation here:

http://www.russianspaceweb.com/r7.html

Anatoly  Zak 


On 9/28/09 11:45 AM, "Nicolas PILLET" <nikolai39 at hotmail.fr> wrote:

> The picture is here :
> 
> http://www.kosmonavtika.com/strap-on.jpg
> 
> So I repeat my question : is it the valve which throw LOX after the burn
> completion ?
> 
> Concerning the "tulip" : before liftoff, the launcher is just laying on the
> arms ? There is no mechanism to attach it ?
> 
>> > From: kirin at hippo.ru
>> > To: fpspace at friends-partners.org
>> > Date: Sun, 28 Sep 2008 00:03:55 -0400
>> > Subject: Re: [FPSPACE] Soyuz LV question
>> > 
>> > On Sunday 27 September 2009 08:54 am, Nicolas PILLET wrote:
>>> > > Thank you very Sergei, this is very clear now !
>> > Bon soir collegue!
>> > 
>>> > > It confirms some informations written in Asif Siddiqi's Bible !
>> > 
>>> > > Two more questions :
>>> > > - at the moment of liftoff, how are separated the four arms ("tiulpann")
of
>>> > > the launch complex from the lateral blocks ?
>> > only by gravitation. When weight of lanceur spatiale become less than
>> thrust 
>> > the vehicle begin the motion and nothing stop tulip opening.
>> > 
>> > 
>>> > > - see the picture I've joined : is it the valve which throw LOX after
the
>>> > > burn completion ?
>> > Je regrete beacoup mai il y a pas de image!
>> > 
>> > 
>> > 
>>> > > Thanks again !
>>> > > Nicolas
>> > 
>> > Sincerely yours
>> > Sergey V. Andreev
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>> > http://www.friends-partners.org/mailman/listinfo/fpspace
>        
> 
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> 
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