|Sep30-07, 03:24 PM||#1|
tiny wind generator
For demonstration purposes I m trying to assemble a generator consisting of a coil swinging thru a permanent magnetic field.
The coil should hang from a small windflap and should be able to temporarily light up an LED.
Currently I am concerning myself with the design of the windflap which can be thought of as a pendulum of certain length and a certain mass (eg. the material of the flap + the attached coil). This flap should be moved by the wind.
For the generator part I would need a short pendulum to achieve the quick flux change necessary to develop a useful voltage (Faraday's law).
For the wind to move the flap I think I would want a long flap to offer enough leverage to the wind to move the flap.
Since these two consideration, if right, are contradictory I would hope for some input to be able to build a test set-up without too much experimentation.
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