For many environmental enthusiasts, horizontal-axis wind turbines (HAWTs) — the kind that look like windmills slowly spinning in the distance — are a pretty familiar sight. Unfortunately ...

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 ...

Vertical axis wind turbines (VAWTs) are a relatively new kind of energy producing system that's suitable for home and urban ...

The output of an alternator can be represented on a potential difference-time graph, with potential difference on the vertical axis and time on the horizontal axis. increasing the rate of rotation ...