This vertical axis wind turbine (VAWT) uses five 3” PVC pipes cut in half for blades rotating on three kids bicycle wheels to spin an Ametek 38 volt motor or a wind blue alternator. The whole thing ...

Discover how to create a compact vertical-axis wind turbine with everyday materials in this detailed step-by-step guide. Watch as we build composite turbine blades, assemble a helical rotor, and ...

The now-familiar sight of traditional propeller wind turbines could be replaced in the future with wind farms containing more compact and efficient vertical turbines. New research has found that the ...

Offshore wind turbines have problems that include high construction and maintenance costs and the risk of toppling in high seas or strong winds, especially for floating turbines. These problems can be ...

Propeller wind turbines are the most common way of using one of the most abundant energy sources on Earth to generate electricity. The tall three-bladed fans are the ubiquitous symbol of wind energy, ...

If you can turn a wrench and operate an electric drill, you can build this simple generator in two days. Turn a car alternator into a homemade wind turbine by building this cheap and easy DIY wind ...

Our search for renewable sources is already moving beyond efficiency alone to a combination of efficiency + low cost + beautiful design. This is because at a time when solar panels dominate rooftops ...

With graceful, sail-like blades that turned in the wind like white corkscrews, Helix Wind's vertical axis wind turbines (VAWTs) captured the imagination of bloggers and the tech press in 2007. The San ...