The Wind Powered Bike Light


This is a concept of a wind-powered bike light. A mini turbine is mounted on the handlebars and uses the bikes momentum to drive the blades. These in turn power a 1700 lux LED light. (A bike moving at 21kph is said to produce continuous power of 3.5 volts at 70mA, with the little generator whizzing round at 850 revs per minute). This device also comes with a rechargeable lithium battery for constant light in case you stop pedalling.

Source: TreeHugger

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