you normally need several motors or to distribute the power of the motors in several rotors that is very dificult for small vehicles this guy did it with using

you normally need several motors or to distribute the power of the motors in several rotors that is very dificult for small vehicles this guy did it with using several two stroke engines http://mobile.nytimes.com/2012/03/29/garden/in-a-remote-part-of-utah-life-alone-in-a-hangar.html http://mobile.nytimes.com/2012/03/29/garden/in-a-remote-part...