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

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   Message 106,148 of 106,651   
   Snidely to All   
   Re: Ukrainian war? no Musk astronautics    
   07 May 23 01:13:13   
   
   From: snidely.too@gmail.com   
      
   JF Mezei explained on 5/7/2023 :   
   > On 2023-05-03 07:49, Snidely wrote:   
   >   
   >>> Starship didn't have enough fuel/power to reach the   
   >>> semi-orbit to have it splash down at a beach resort in Hawaii.  (so   
   >>> doing premature stage separation to let Starship di its test was not   
   >>> possible since its landing spot couldn't be properly controlled).   
   >>   
   >> Are you extrapolating data you don't have?   
   >>   
   >   
   >   
   > In Melon Husk's discussion on his Twitter thing, he mentioned that doing   
   > stage separation at 39km would have left Starship without enough delta-V   
   > to reach intended landing in Hawaii.   
   >   
   > So so much for Starship being able to lauch from ground and reach LEO   
   > with no payload which was said to be possible in the early days of project.   
      
      
   I'd hold that thought, because configuration matters in these things,   
   and that may well include needing a different trajectory for the single   
   stage effort then where the second stage was at the 39 km point of the   
   two-stage effort.  Without running the numbers, we're just guessing,   
   and I haven't done enough with Kerbal Space Academy to model either   
   flight.   
      
   /dps   
      
   --   
   Who, me?  And what lacuna?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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