Tachometer

[Rcmaster199 at aol.com]

Jimmy, it's 60 cycles per second. Im sure you will know the rest

Matt


> Subj:Tachometer 
> Date:10/24/2003 8:16:48 PM Eastern Daylight Time
> From:<A HREF="mailto:jivey61 at msn.com">jivey61 at msn.com</A>
> Reply-to:<A HREF="mailto:discussion at nsrca.org">discussion at nsrca.org</A>
> To:<A HREF="mailto:discussion at nsrca.org">discussion at nsrca.org</A>
> Sent from the Internet 
> 
> 
> 
> 
> 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
> 

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