A Coggle Diagram about Helical
( The turbine consists of three vertical airfoil blades, each having a helical twist of 120 degrees.
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), whale power
(The company, WhalePower, has redesigned the typically smooth blades on a turbine, adding a series of ridges, based on tubercles, the bumps on humpback whale fins. The company says this new blade design could increase annual electrical production for existing wind farms by 20 percent.
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(Windspire is a vertical wind turbine, similar to the Quiet Revolution. This 30-foot tall, 4-foot wide turbine generates 2000 kilowatts per hour given 12-mph winds, and it can survive winds up to 105 mph.
) and off shore
(Offshore wind power refers to the construction of wind farms in bodies of water to generate electricity from wind