Some of the advantages of flying electrics are: You can build as small or as large as you like............Quietness allows you to fly most anywhere...................No mess to clean up..................Planes stay looking new because of no fuel mess.................Quieter.............More challanging to fly ...............Quieter..............Smoother running...................Quieter................. .no fuel smell on everything including your car.....no fuel purchase required..............Quieter.......Multi engines are a dream (no one motor qutiing)..........You can test your powerplant in your living room....and did i mention that it is quiteter?