Tachometer

[jim ivey]

  And 7200 div by 3 = 2400

Thanks Jim Ivey



jivey61 at msn.com





>From: "Gabriel Gonzalez" <gabrielg74 at jz.cablemas.com>
>Reply-To: discussion at nsrca.org
>To: <discussion at nsrca.org>
>Subject: Re: Tachometer
>Date: Fri, 24 Oct 2003 18:40:26 -0600
>
>120 pulses x 60 seconds = 7200 pulses/minute
>
>7200 / 2 blades = 3600rpm
>
>Gabriel
>
>
>----- Original Message -----
>From: "jim ivey" <jivey61 at msn.com>
>To: <discussion at nsrca.org>
>Sent: Friday, October 24, 2003 6:16 PM
>Subject: Tachometer
>
>
> >
> > Ok time for another thread.
> > I just put batteries in my tachometer and I want to calibrate it. If I 
>set
> > it to sense a 2 blade prop and hold it to the flourescent light bulb in
>the
> > kitchen, what should it read. There are 120 pulses of light on 60 
>cycles.
> > Why does it read 36. If I select a 3 blade prop it reads 23.  WHY. What
> > should I set it to read looking at this light?
> >
> > Jim Ivey
> >
> >
> > jivey61 at msn.com
> >
> > _________________________________________________________________
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