>...but all quadcopters are drones. Well, not all of them. https://en.wikipedia.org/wiki/George_de_Bothezat https://en.wikipedia.org/wiki/George_de_Bothezat

>...but all quadcopters are drones. Well, not all of them. https://en.wikipedia.org/wiki/George_de_Bothezat https://en.wikipedia.org/wiki/George_de_Bothezat http://3.bp.blogspot.com/-9v0ADuoE1cY/VHsBwdH-YGI/AAAAAAAAAhU/W55JRIKrwg8/s1600/Quad.png http://3.bp.blogspot.com/-9v0ADuoE1cY/VHsBwdH-YGI/AAAAAAAAAh...