This setup is an interesting idea, if nothing else. Looks like it would have a lot of blade area to work with. Maybe use two fins on the sides to direct wind from sides onto the back blades as they come down?
Anyway, at least it's something different to look at and consider.
I think I'll just lie down here for a second. And ponder this tiny ad:
Contemplate spending the next 20 years building a better world in montana
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