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   sci.space.policy      Discussions about space policy      106,651 messages   

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   Message 106,504 of 106,651   
   Alain Fournier to Snidely   
   Re: Starship IFT-5 tomorrow   
   16 Oct 24 22:06:19   
   
   From: alain245@videotron.ca   
      
   On 2024-10-16 8:35 p.m., Snidely wrote:   
   > On Tuesday or thereabouts, Alain Fournier asked ...   
   >> On 2024-10-15 4:28 p.m., Snidely wrote:   
   >>> Snidely suggested that ...   
   >>>> Alain Fournier in between]   
   >>>>> On 2024-10-13 11:42 a.m., The Running Man wrote:   
   >>>   
   >>>>>> Again: I predict NASA will verbally reprimand them to speed things   
   >>>>>> up once   
   >>>>>> they've had a successful flight.   
   >>>>   
   >>>> I don't think that's needed.  SpaceX is showing signs of being eager   
   >>>> to meet the NASA milestones, which is part of why this launch had a   
   >>>> catch and there was a lot of noise about the FAA holdup.   
   >>>   
   >>> Flight 6 has a launch license; same end points, additional objectives   
   >>> allowed.  Do you think it will fly in December or January?   
   >>   
   >> The analysis of IFT-5 will probably call for modifications to Starship   
   >> for IFT-6. It is hard to tell how much time those modifications will   
   >> take. SpaceX seems to have made modifications after IFT-4 quite fast,   
   >> so we know they can do it fast. But it's still hard to know how long   
   >> it will take to do modifications without knowing what those   
   >> modifications are. Nonetheless, I think December or January is a   
   >> plausible timeline.   
   >>   
   >>   
   >> Alain Fournier   
   >   
   > I agree.  I suspect that most of the changes will happen in connection   
   > with the outer ring of RVac bells.  Will this be a shielding change,   
   > additional CO2, or a procedural change?  Will an entry burn happen after   
   > all?  TBD, but it will probably be a quick change.  We'll be well into   
   > V2 of the ship before V2 boosters roll out;  V1 boosters might get re-   
   > used, but it needn't be rapid yet ... and swapping engines might mean a   
   > mere couple weeks before 2nd liftoff.   
      
   I am not sure, but I think that there was still some burn through in the   
   Ships thermal protection system. Not nearly as bad as for IFT-4 for   
   sure. But I think there were some problems. That is the modification I   
   would be most worried about.   
      
      
   Alain Fournier   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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