i made this wind turbine a few months back, today i added another row of magnets and increased its efficiency. its an axial flux vertical wind turbine. today i span it by hand and generated 50w. I'm not sure what it will do when i get it installed but I'm looking forward to seeing it.
https://www.youtube.com/watch?v=fCthR5u2sCY
https://www.youtube.com/watch?v=fCthR5u2sCY