Your observation sounds correct for an engine not under load. More air/fuel=
 is=20
required acceleration, so that's the surge you'll see when increasing RPM. =
Airflow=20
should follow the audible induction sound.

On 5 Nov 2015 at 13:14, 99guspuppet wrote:

> I mentioned that I opened up my AFM.
> I expected the wiper on the AFM potentiometer to=20
> track the engine RPM as I assumed RPM and airflow were
> linked proportionally.
> Instead I saw the wiper move up with increasing RPM,=20
> then drop back.  Since the RPM was hard to control=20
> ( the reason why I am looking at engine parts ) I was unable=20
> to make a reliable observation of exactly what happened.
> Any comments ?
>=20
> Gus in Denver
> --=20
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>=20



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