This new wind generator looks very promising for natural builders, homesteaders and off gridders in harsh environments.
wind turbine
New blade-less wind turbine — breaking the conventional windmill design
“Vortex Bladeless has designed a new form of wind energy, and state that it is “more efficient, cost-effective, and environmentally friendly way to produce energy.” The Vortex Bladeless website states that their product reduced manufacturing and maintenance drastically and requires no energy or training to use.