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   rec.arts.sf.science      Real and speculative aspects of SF scien      45,986 messages   

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   Message 45,423 of 45,986   
   Fred J. McCall to Robert Clark   
   Re: Life on Europa in scifi?   
   28 May 18 05:38:39   
   
   XPost: rec.arts.sf.written, sci.space.policy, rec.arts.sf.movies   
   From: fjmccall@gmail.com   
      
   "Robert Clark"  wrote on Mon, 28 May   
   2018 07:19:51 -0400:   
      
   >   
   >With altitude compensation, allowing even first stage nozzles to achieve the   
   >highest possible vacuum Isp, and using also  lightweight structures such as   
   >composite tanks, the payload fraction of an SSTO can be comparable to that   
   >of multi-stage rockets, ca. 3%.   
   >   
      
   Sorry, but that doesn't follow.  If you can build an SSTO using those   
   technologies you can also build a multi-stage rocket using the same   
   technologies.  The multi-stage rocket will always do better.   
      
      
   --   
   "Some people get lost in thought because it's such unfamiliar   
    territory."   
                                         --G. Behn   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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