It looks like the CalTech guys are not the only ones involved in such inventions, as a company called “Wind Harvest International” says they can double the ourput of large horizontal axis wind farms by placing one-megawatt VAWTs between them, in a way that would boost their power output.

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The leaves of the tree are connected to a vertical-axis wind turbine. Every leaf has a grouping of high-efficiency photovoltaic solar cells that transmit electricity down the tree’s core. The solar cells are connected from the upper turbine to the trunk through wireless energy transfer by induction.

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CalTech scientists have discovered that arranging vertical axis wind turbines (VAWT) in a certain pattern will save the space by 100 times compared to classic arrangements, will output the same amount of energy and will be safer for migrating birds.

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I was researching for Vertical Axis Wind Turbines as this could be a good residential alternative to the typical propeller type wind turbines.The usual propeller wind turbines are known to be bird killers because of the huge sweep area of the blades and when there is wind, the propellers move fast (just like the ones [...]

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