It can take a long time. Meanwhile some easily implementable (static) AWES like kiwee could fill some niche if there is available wind above pollution smog.
How the hell did you find that?^^
There are a bunch of japanese things going on, but it’s hard to find out what’s going on outside the english speaking world.
Found by…
Just a bit of google translate
Joining a wechat group or 2
Liking Chinese
and trying https://www.google.com/search?q=风筝风能
Seeing what I find and liking likely things…#
more google translate
being found on twitter
continue…
It has been very hard to communicate kite ideas from the Gaelic speaking world.
I am in contact with a Japanese guys he is on Twitter as well.
He works on a belt transmission system but with a HAWT. I know it just produce over a single watt.