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Thread: Wind Speed Formula??
face BY : David VanHorn email (remove spam text)

At 03:38 PM 2/12/01 -0500, Herbert Graf wrote:
>         Thank to all for the suggestions. I have decided on just using
> the "dc
>motor" approach suggested here. I found a nice one from an old VCR that
>gives a nice output. As for calibration, I guess I won't for the moment, I
>don't really need the actual speed that much, just the relative differences,
>when I get a chance (ie. when it gets WARMER!) I'll use the car method to
>calibrate it. Thanks again. TTYL.

The VCR Head bearing makes a nice one for a wind speed indicator.
I did one of these a while back, S-Rotor optically sensed.

Dave's Engineering Page: http://www.dvanhorn.org
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