Articles

Teacher's Guide to Wind Energy and Wind Turbines

Learning about wind power introduces students to variety of fundamental and advanced concepts. Understanding how wind power works and how we harvest it introduces concepts in physics, electricity, environmental studies,...

Connecting the Slip Ring

Connecting your slip ring to your tower is kind of like skinning a cat... there are a lot of ways of doing it. Here we share a few ideas and...

Positioning Your Battery Bank

One of the first challenges many DIYers face when beginning the process of constructing a battery bank-coupled wind turbine is where precisely to locate the battery bank. There are a...

All About Delco-style Alternators for Use in Wi...

If you're new to idea of building a wind generator out of re-purposed components, then you've probably asked yourself a few of the following questions: Why are car alternators appropriate...

Tip Speed Ratio: How to Calculate and Apply TSR...

The Tip Speed Ratio (TSR) is used by wind turbine designers to properly match and optimize a blade set to a particular generator (i.e. the permanent magnet alternator). This is...

Blades: Choosing the Right Material

A lot of people that come to us asking how our blades compare to homemade wooden blades, PVC blades or even other commercial fiberglass blades. The answer is involved and...