By: Kevin NgA windmill is device that converts wind energy into mechanical energy which is later converted into electrical energy. A windmill typically consists of the following parts: • The blades – A windmill can consist of any number of blades from four to 20. Some special wind mills have higher number of blades. • [...]
Windmill wind speed
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Ever wonder what the correct wind speed should be for your homemade wind turbine? This article will give you a brief description of the topics to think about when choosing to build a home wind turbine with taking wind into consideration.

Weather vanes may appear a simple decoration for the outside of your home but they can in fact a rather complicated piece of engineering. The very first recorded use of a weather vane as an instrument was in the 1500s and they have since become an English tradition decorating homes and boat harbours.





