After some considerable changes in our device, such as; design blades to make it more aerodynamic, and using a proper generator instead a motor, was possible achieve a very good result like, 10.3 Volts. Measured it by a Tachometer we get 1700 rev/min.
Wind speed = 30m/s
The current measured from the bulb we get 0.36 amperes.
Power = current x voltage
We get Power = 3.6 W.
The power we obtained was enough to light a 5W bulb of 12 volts capacity.
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