I think there are extremely good reasons to keep the rotors on top, not below, with people around the craft or entering and exiting. One prop in front of single

I think there are extremely good reasons to keep the rotors on top, not below, with people around the craft or entering and exiting. One prop in front of single engine plane is enough of a safety hassle that one makes a big deal out of it in safety briefings, and yet people run into them again and again [1][2]. At any rate, the Volocopter [3] has the rotors on top, and while it might not look as sporty as the Kitty Hawk, I don't find it annoyingly goofy. [1] https://www.huffpost.com/entry/lauren-scruggs-model-plane-propeller_n_1382613 https://www.huffpost.com/entry/lauren-scruggs-model-plane-pr... [2] http://www.rightthisminute.com/video/graphic-man-hit-plane-propeller http://www.rightthisminute.com/video/graphic-man-hit-plane-p... [3] https://www.volocopter.com/en/ https://www.volocopter.com/en/