From: nospam@127.0.0.1   
      
   JF Mezei  writes:   
      
   > On 2021-01-25 10:48, David Spain wrote:   
   >> On 1/25/2021 10:42 AM, David Spain wrote:   
   >> I've neglected Super Heavy, but I could imagine a separate ring for it,   
   >> switched to merge with the Starship ring at the pads. A crane at the pad   
   >> is used to lift Starship atop SuperHeavy?   
   >   
   >   
   > Realistically, how often would Starship take off by itself from Earth?   
   >   
   > Wouldn't all launches be of a Starship atop super heavy?   
      
   Yes I believe so, well except maybe for trans-continental p2p flights,   
   if sonic boom ordinances are changed to allow it. Fat chance I suppose.   
      
   But given majority flights with Super Heavy, it's still no big deal, see   
   above. A sub-ring of rail tracks allows contruction/re-furbishment of   
   Super Heavy and maybe assembly with a Starship in one of the final   
   Service Bays before pad arrival, or maybe stacking at the pad.   
      
   It does appear now that the launch platform for SuperHeavy/Starship will   
   also serve as the primary recovery mechanism for SuperHeavy   
   return. Which means another recovery platform (mobile or otherwise, as   
   in sea based) will likely be used for landing Starship upon return,   
   possibly just a flat deck.   
      
   Dave   
      
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