If you enjoy dreaming up fanciful ways of tooling around, here's something out of the ordinary: an all-electric plane with a helium-filled balloon topped by photovoltaic cells.
It sounds more like a sci-fi prop, but the Ecologic Aircraft Design Concept by French industrial designer Daphnis Fournier is intended to explore new ideas for prototypes that fly.
After all, we do have a flying car that works, so why not this airship-airplane?
About 71 yards long, the craft would be supposedly be able to achieve speeds of 750 mph propelled by four electric turbines while carrying up to 324 passengers. … Read more