From: adam.w.krajewski@gmail.com   
      
   Heyy, I have school now, o I have got not a lot of time for writing and   
   drawing, but today I came with interesting idea:    
   The rigid part looks not like "Y", but more like arrow, or to be more specific   
   - crossbow. One main truss, with attachment point for spacecraft etc., coilgun   
   and cable going "down" to the habitat,  and two arms with engines on ends, and   
   from the motors    
   go cables to the main truss. When the ship is on thrust "arms" stretch out and   
   are held from going further by truss cables. I don't know if this gives a   
   significant advantage over previous one, but I think it could make spaceship a   
   little bit lighter.    
   And I'm sure it looks very cool, which is also important ;)    
   Anyway, give me your thoughts on that, in a few days I might finally make   
   account somewhere and post exactly what I mean...   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)