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|    sci.space.policy    |    Discussions about space policy    |    106,651 messages    |
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|    Message 106,130 of 106,651    |
|    Snidely to All    |
|    Re: Time between launch attempts    |
|    21 Apr 23 17:22:20    |
      From: snidely.too@gmail.com              on 4/21/2023, JF Mezei supposed :       > On 2023-04-18 06:50, Alain Fournier wrote:       >> Does anyone know why it take two days before SpaceX can make another       >> launch attempt after having filled the tanks?       >       >       >       > Considering Melon expect to be able to launch every 20 minutes (or       > whatever unrealistic number) One would think /iterative development"       > would see redevelopment of the launch complex.       >       > The good news is that 25+ Raptor engines have become great assets for       > the Boring company to start digging tunnels.       >       > I remember being told that a flame treench wasn't necessary. Considering       > the force at which concrete was thrwon to large distances, I have to       > wonder if the FAA has any jurisdiction on "stage 0".              They do. They will take yesterday's results in consideration when       considering the launch license for the next orbital attempt.              Note also that SpaceX had already decided to install a water deluge       system (which would have reduced the energy reaching the concrete) and       was working on a flame diverter. They may find that not delaying 4&20       to allow one or both to be completed has caused longer and serious       delays for 9&26. If it's possible to repair the existing launch site,       assessments will probably take at least a month before that work can       begin. If they have to scrap it and use the second tower site, that       will take at least a year (based on the faster progress seen at KSC).              Also note that a flame trench may not have been as easy as a diverter       structure, due to the water table issue. The crater from Thursday is       already getting wet. KSC's 39A was already built up into a small hill       before SpaceX leased it.              We don't know yet if the concrete shrapnel is the cause of the first       engine outs, but there's certainly speculation about that.              /dps              --       Yes, I have had a cucumber soda. Why do you ask?              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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