Big Vertical Wind Turbines receive almost no R&D attention. I believe on the potential and keep improving on the design. Large diameter vertical wind turbines can be developed using carbon fibers and special aerodynamic shape. The vertical design allows even distribution of the weight of the turbine blades. The electric generator would be at the top center of the tower and its center of gravity would be lower than a horizontal wind turbine. These design improvements lower the structural strength requirement of the tower. Coupled with the carbon fiber lattice design for the tower, the overall weight of the wind turbine would be considerably lowered. I propose to cover the tower with durable tent material. Only the lower section would be covered with solid plates for security purposes.
The horizontal support beams would be like helicopter blades. Therefore, when they turn, they would produce some lift. This would reduce the turbine blade weight on the generator shaft. As the wind speed increase the lift would increase. Therefore, the turbine could operate at higher speeds than a horizontal turbine. Coupled with the vertical turbine's low speed wind operability results in a wider wind speed operation compared to a horizontal wind turbine.
Finally, the whole wind turbine would fit inside a container and have low total weight. This would allow cheaper aerial transport for rural areas.
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