Take a look at Dec 2001 QST, p. 59 "A Poor Man's Anemometer" by
Tatlock, Gregory, N9PUG in Hints and Kinks.
Bob W5RN
----- Original Message -----
From: "Rick Karlquist" <[email protected]>
To: <[email protected]>
Sent: Wednesday, May 09, 2007 6:36 PM
Subject: [TowerTalk] Where can I get a *simple* *cheap* anemometer for
tower
>I would like to monitor wind speed using a simple
> cup anemometer to determine when it is time to
> crank down the tower. In looking for anemometers,
> I have only found extremely expensive solutions that
> indicate wind direction as well as speed, and require
> a complete "weather station" in the shack, and even then, no
> analog wind speed output voltage. All I want is a cup
> assembly connected to a velocity to voltage transducer
> (tachometer sensor).
>
> I found a source of anemometer cup assemblies at a
> place called Forcefield. I am about ready to build
> my own anemometer out of an old hard drive motor,
> but I thought I would ask what other people with tower
> anemometers are using (I know you are out there...)
> before embarking on this science project.
>
> Rick N6RK
>
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