Kitty Hawk's Newest VTOL Almost Silent - AVweb

I think most of these things are a joke ! The battery density is still a long ways off to make them truly viable. Most of them look like some software engineers were playing around with a drone and thought all they needed to do was just scale it up. Few of the designs have enough real redundancy for carrying passengers. Most of them look like they could be taken out with a well aimed basketball.