This low-cost wind turbine was developed for
educational use at British Council events. It comes as a complete
easy-to-assemble unit capable of powering a buzzer, LED or solar motor.
The unit will generate enough power to light
an LED when placed in front of a domestic fan.
The turbine unit comprises six 3mm corflute blades
each of which can be separately angled by twisting on their aluminium spokes.
This facilitates several performance
investigations. If the blades are angled too steeply, for example, the turbine
slows because of drag.
Reasons to Love
The wind turbine has many uses in both science
and design and technology, and is now available at approximately one third
of the cost of comparable demonstration units.
Top Tips
Other variables can be introduced by cutting
different sized blades from standard 3mm corflute.
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