XPost: sci.space.policy, sci.physics   
   From: fjmccall@gmail.com   
      
   jimp@specsol.spam.sux.com wrote:   
      
   >In sci.physics Serigo  wrote:   
   >> On 10/15/2016 4:35 AM, Fred J. McCall wrote:   
   >>> jimp@specsol.spam.sux.com wrote:   
   >>>   
   >>   
   >>>>>   
   >>>>   
   >>>> Except to support and grow a colony you need production which means big.   
   >>>>   
   >>>   
   >>> Well, eventually, but you don't have to START big.  You do just what   
   >>> mankind has done every other time we colonized someplace.  You start   
   >>> with small facilities and grow them over time, while reducing what you   
   >>> have to import (again over time).   
   >>   
   >> is that it ? start small and grow them ?? anything else ?   
   >>   
   >> your really not into this Mars thing are you.   
   >>   
   >   
   >There is no such thing as small when talking about a steel prduction   
   >facility carried in a rocket. The smallest excavator John Deere makes   
   >weighs about 2 tons.   
   >   
      
   So about 2% of the cargo lift to Mars of one of Musk's colonization   
   rockets, then.  And he's talking about launching around 10 of those   
   per 100 people going to the colony.  Hardly a big deal.   
      
      
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