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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