MOVED: gyrocopter

It isn't a helicopter. It is actually a version of a plane.

How it flies is extremely similar to a real life gyro.

https://ultralight-airplanes.info/Gyrocopters-%5E%5E%5E%5E%5E-What-Are-They-And-Can-You-Have-One%5E%5E.html

https://www.youtube.com/watch?v=1J9Nwl69S00