Hence the littlte wire that is (supposed to be) always connected between the
aircraft and the earth or fuel truck when fueling the tanks.
Is your P.Eng. tag the same as the U.S. PE (Regestered Professional Engineer)
tag? And does Canada break the categories down into Mech., Elect., Civil like
we do?
Geoff Branch
'74 Meejit "Yellow Peril"
'72 Innocenti 1300 Mini
----- Original Message -----
From "Trevor Boicey" <tboicey at brit.ca>
To: "Geoff Branch" <gjbranch@mediaone.net>
Cc: <Ajhsys@aol.com>; <RBHouston@aol.com>; <Dave.Vrba@am.sony.com>;
<spridgets@autox.team.net>
Sent: Friday, August 24, 2001 11:30 AM
Subject: Re: Battery Disconnect (for a Dork)
> Geoff Branch wrote:
> >
> > Would work only if there was a very low resistace in the dirt!
>
> Indeed!
>
> Actual "grounds" have high resistance and are really
> only useful for two things.
>
> You can use them as a reference for what 0V is on a
> system that is also grounded (like a house). Even though
> it won't take much current the reference point is
> there.
>
> You can use them to bleed off static for something
> like fueling up an airplane. (static electricity is
> high voltage/low current).
>
> --
> Trevor Boicey, P. Eng.
> Ottawa, Canada, tboicey@brit.ca
> ICQ #17432933 http://www.brit.ca/~tboicey/
> All chart listings approximate.
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