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how do you make a wind sped gage Answered

how do you make a wind sped gage



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11 years ago

The simplest way is just to use an arm, pivoted at the top, and with a plate for the wind to act on it, the higher the arm is pushed by the wind, the higher the windspeed. Alternatively, a "proper" anemometer could be made by attaching cut sections of ping-pong balls to arms, and attaching them to a cheap motor. The voltage generated as the wind turns the arms is, to a first approximation, proportional to wind speed. You could calibrate it with a voltmeter, while it is fixed to the top of a car ! Steve