[Feliks]

Is marriage Underground Windmill of Tesla's Turbine is the optimum solution?





several cases that support the solution

http://www.youtube.com/watch?v=Zdix_...eature=related

http://www.youtube.com/watch?v=e7nFg...eature=related

http://www.imp.gda.pl/en/research-ce...less-turbines/

http://www.freepatentsonline.com/7695242.pdf


Andrew