Quite a while ago (and I can't remeber where), someone posted a link about
making this sort of spinning windmeter that used a bicycle speedometer for
the readout. It seemed pretty clever.
At 01:44 AM 9/20/01 -0700, Cesar Managad wrote:
>That sounds like something good to experiment with. I wonder if the back EMF
>generated by the motor would have to be compensated for when doing the speed
>calculations in light vs. strong wind. And, what's an easy way of
>calibrating the device if you don't already have a wind meter?
>
>----- Original Message -----
>From: "tony estep" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Wednesday, September 19, 2001 3:26 PM
>Subject: Re: [RCSE] "spining spoons" Wind meter
>
>
>>
>> You can make one out of a little electric motor, three half-ping-pong
>> balls, and a milliammeter with a pot in series with it to provide
>> calibration. Crude, but possible.
>>
>>
>> --- Jorge Elizondo Margain <[EMAIL PROTECTED]> wrote:
>> > I've been searching the net to try to find a wind meter of thee
>> > "three
>> > spoons" kind; something that we can take to the slope with us.
>> >
>> > I've seen pictures in QFI magazine of a portable, brick-size unit
>> > with the
>> > "spinning spoons" on top and a big 2-digit LCD display. That's what I
>> > want
>> > but I cannot find anything like that on the net. Most of what I found
>> > were
>> > the more sophisticated, weather station kind of thing and of course
>> > the
>> > kestrel models.
>> >
>> > Does anybody know where to find one?
>> >
>>
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