Co-axial motors with counter rotating props

Power System
3

Hi,

I had this idea some time ago, because I have read this:

But searching/reading more, I think in rcgoups formus, cannot find links now, I have found that it is difficult to implement it right, to achieve extra efficiency.

My thoughts is to stick with current design and release it ASAP :slight_smile: After that go to experiment more :slight_smile: