but he has also published another great DIY renewable energy project: A vertical axis wind turbine based on the Lenz2 lift+drag design. Connell's design calls for using aluminum lithographic ...

Here’s how SeaTwirl’s vertical-axis wind turbine works: SeaTwirl isn’t the ... it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable ...

The vertical axis turbines sometimes take up ... of Energy Efficiency and Renewable Energy. To make a dent in your energy bill, you’ll need a wind turbine that can generate between five and ...

These floating, vertical-axis wind turbines (VAWTs ... Taking wind farms way offshore can certainly help make them less obtrusive, and open up a lot more opportunities – but as the ocean ...