From: bretcahill@aol.com   
      
   > > Put the fuselage inside of 2 counter rotating fans and the core   
   > > engines in tandem inside of the fuselage, geared together in case one   
   > > engine fails like the Osprey.  The engine room would split the cabin   
   > > area in two displacing a few dozen seats so the wide body version   
   > > would have a for cabin and an aft cabin, bathrooms and crews etc.   
   >    
   > I think this would work.   
      
   They can start off with a small drone before going to a full size drone,   
   although, the small drone step isn't really necessary unless they need small   
   drones.  They pretty much know how everything will work long before anyone   
   ever touches a single piece    
   of material.  The entire navy is going to drones.  Why be anywhere you don't   
   want to be?   
      
   Obviously you cannot plug an after burner, even partially, but there may be an   
   opportunity to adapt this technology for commercial aviation:   
      
   https://www.fastcompany.com/90316833/scientists-have-discovered-   
   -shape-that-blocks-all-sound-even-your-co-workers    
      
   Ductless fans are noisy no matter how or where you put them on an aircraft.   
      
      
   Bret Cahill   
      
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