Richard,
Maybe Vacuum pump, or air driven Artificial Horizon or Directional Indicator
or electrical Turn and Slip?
Best of Luck.
Tim
Tim Ward
12 Waiwetu Street,
Fendalton,
CHRISTCHURCH 8052
NEW ZEALAND
Ph :64 03 3515166
Mob: 021 0640221
email:
ward.t@xtra.co.nz
----- Original Message -----
From: "rampil" <ira.rampil@gmail.com>
Sent: Thursday, January 17, 2008 11:43 AM
Subject: Europa-List: Re: Rotax 912 electronic noise
>
> Hi Richard,
>
> I am not sure that probabilities favor the electrics hypothesis.
> Most electronics without moving parts remain quite silent unless they
> are in the terminal stage of releasing their electronics, steam and smoke.
>
> Have you ruled out air, coolant, or oil flowing through some constriction?
>
> Carbon pile voltage regulators could make noise as the carbon heated,
> but I think that species went extinct in the 1960s.
>
> Best of Luck!
>
> --------
> Ira N224XS
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=158640#158640
>
>
>
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