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Subject:Re: At Idle: AFM Flap, CO Screw Relationship. Explanation Found
From:neil n
Date:Sun, 8 Jul 2012 11:48:01 -0700

Good to know.

Since I moved the AFM wiper to a new portion of resistive strip, I
kind of assumed there would be no drop outs. Besides; moving the wiper
did not change how the engine ran.

Sure wish I still had my old $9 Radio Shack analogue meter!

Neil.

On Sun, Jul 8, 2012 at 11:35 AM, David Beierl <dbeierl@attglobal.net> wrote:

> At 02:10 PM 7/8/2012, neil n wrote:

>>
>> With my DVOM, I'd see the value change at a more or less "even" rate
>> when slowly and evenly moving the vane.
>
>
> The ideal tool for this is a scope.  Analog meter with a twitchy needle is
> next.  I'd rate most DMMs essentially useless for it unless they have a
> fast-responding bar-graph display.  The normal 2-3 updates per second really
> can't show you little dropouts unless you're moving the vane with a
> micrometer screw or something like that, .....

> I'm going to make a wild guess that
> a typical DMM is only actually looking at the input less than a quarter of
> the time.

--
Neil n

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