Scale way in the upwards direction. As you noted, it's great at small size. We can build ornithopters at the scale of this and bird sized devices, and they fly

Scale way in the upwards direction. As you noted, it's great at small size. We can build ornithopters at the scale of this and bird sized devices, and they fly pretty well, but getting to man sized and airplane sized, would be quite difficult and inefficient. I'm sorry, but I'm too lazy to answer all of your questions at the moment, though they're good questions. But generally the answer to all of your questions is "yes." (with the exception of the last question, which is "I don't know", but if you've seen a hummingbird or dragon fly, you know exactly how insanely maneuverable they are, and I don't know if I've ever seen better. For more information, see: https://en.wikipedia.org/wiki/Ornithopter https://en.wikipedia.org/wiki/Ornithopter