Solar Impulse 2 Preps for 1st Test Flight (#Insider VIDEO)
Originally published on 1Sun4All. Solar Impulse 2 is performing ground tests in preparation for its first test flight, which is expected in the coming weeks. In the run-up to the premier flight, we can watch the team’s preparations via video. In this edition of #Insider, we meet Si2’s Flight Test Engineer, Christoph, and the ground … [continued]