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 ...

The development of the vertical-axis wind turbine (VAWT ... there are some design features that prevent the generators from functioning as well as HAWTs at harvesting energy.

Fran Scott explores how PhD student Jon Sumanik-Leary from the University of Sheffield is developing a DIY wind turbine for isolated Third World communities. Conventional wind turbines (and other ...

What has changed since then? Why are we still not making the most of offshore wind? And how can innovative vertical-axis wind turbines make a difference? What are the benefits of offshore wind energy?