From: jfindley@cinci.nospam.rr.com   
      
   In article ,   
   jfmezei.spamnot@vaxination.ca says...   
   > Consider this: now they have telemetry and debris. Had they don this on   
   > a launch pad with rocket firmly attached, they would have not only the   
   > telemetry, but also the engines they could analyze on why one didn't ligh   
      
   Testing like you describe doesn't represent the actual dynamics the   
   vehicle experiences during flight.  Starship has to go from a stable   
   "belly flop" to vertical in a few seconds.  That quick rotation no doubt   
   causes all sorts of forces on the fuel and oxidizer resulting in   
   pressure changes.  It's no wonder it's taking them a few times to get it   
   right.   
      
   In other words, a ground test with the vehicle stationary would almost   
   certainly have passed.  SpaceX does all sorts of Raptor tests at   
   McGregor Texas before shipping them to Boca Chica.   
      
   Jeff   
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