Sun Flyer, an Electric Trainer Aircraft (▻http://spectrum.ieee.org/a...
▻https://diasp.eu/p/5942864
Sun Flyer, an Electric Trainer Aircraft
Hacker News Comments : ▻https://news.ycombinator.com/item?id=15077805
Source : ▻http://spectrum.ieee.org/aerospace/aviation/cheaper-lighter-quieter-the-electrification-of-flight-is-at-hand