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From: The Technical Manager
Subject: Re: How to detect low oil level
Date: Wed, 06 Nov 2002 22:20:55 +0000
Organization: Microwave Department
References: <3DC91493.7EA2AA94@niobiumfive.co.uk> <firstname.lastname@example.org>
NNTP-Posting-Date: 6 Nov 2002 22:20:56 GMT
X-Mailer: Mozilla 4.78 [en] (X11; U; SunOS 5.7 sun4u)
> The Technical Manager email@example.com wrote:
> >It could possibly be done by measuring the flow of oil to the overhead
> >bearings. When the oil level is low then quite often the first thing that
> >is that the camshaft that doesn't end up receiving enough oil.
> That's really no different than a low oil pressure sensor.
Since when were flow rate and pressure the same quantity ?
> The OP wanted to
> detect oil level in the sump.
Yes I know that one but was suggesting a possibility for an engine which is
> I asked Benhams' (main BMW dealer) mechanics about it. Apparently it's not
> possible because the amount of oil in the sump varies wildly between idle and
> red line. The higher the revs, the less oil is left in the sump. This is
> because it pumps fatser at higher revs but it still only falls back into the
> sump by gravity. Apparently. I'm not a mechanic though.
The engine speed could also be taken into account and used to calculate total
system capacity along with flow rates. A theoretical possibility maybe.
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