[TheLoafOfBread]

And birds don't have jet engine, yet nobody is trying to replicate flight by wing flapping as a bird.

[gcanyon]

My friend, I have news for you :-)

https://www.youtube.com/watch?v=vBq9NcITh6o

https://www.youtube.com/watch?v=Gtn4PpZEB8I

https://www.youtube.com/watch?v=9R19QQiM5Mw