From: snidely.too@gmail.com   
      
   Lo, on the 1/29/2021, JF Mezei did proclaim ...   
   > On 2021-01-29 23:10, Snidely wrote:   
   >   
   >> The Raptor has 2200 kN thrust for the vacuum version, and is "only"   
   >> throttle-able to 40% of that.   
   >   
   > But the steel cruise ship weights a lot so needs more fuel/thrust to   
   > land and then take off, and more fuel = more weight. Add to that the   
   > elevator, freight elevator and escalators needed from the top of the   
   > Starship to moon ground :-)   
   >   
   On Earth (6x the lunar gravity), 1 Raptor is able to lift a substantial   
   portion of that mass.  It doesn't get up to lunar escape velocity down   
   here, but I think you overestimate the stainless penalty in the lunar   
   environment.   
      
   /dps   
      
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