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Propulsion, GEN1 calculations Click on Propulsion.xls to download



    
2x10km Oneil Cylinder, Napa Valley view                                        Barcelona (main city) view, Eiffel tower to scale.


 
   
Mid sized areal refueled orbiter                                    Orbital fueling
 
      

Bandes dessinées, illustrations et science fiction. Comic strips, illustrations and science fiction.

Michel Lamontagne

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