While ultra-modern prototypes like the Sikorsky X2 and Eurocopter X3 are garnering most of the attention, two small, innovative helicopters are set to make their marks on the rotorcraft industry as well.
The first of these is the e-volo personal helicopter, the ingenious result of a collective effort of a group of German professionals who have created a sixteen-propeller rotorcraft that just might give us a glimpse into the future of air travel.
