Mailing List lml@lancaironline.net Message #15053
From: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [LML] water in the crankcase
Date: Mon, 26 Aug 2002 21:50:49 -0400
To: <lml>


Posted for "Christopher Zavatson" <Christopher.Zavatson@udlp.com>:

<<Well, you can certainly get rid of most of the water from the oil be
running
the oil temperature above 200F or so.  It doesn't really take
temperatures
above 212, partly because of altitude and partly because the water
will
evaporate fairly rapidly below 212.>>

Remember the oil temperatures we are referencing here are inlet
temperatures, which happen to be the coolest point in the oil circuit. The temperature difference between hottest and coolest points can be
quite large.  Even though the oil temperature gauge might only indicate
180 deg F, the oil is plenty hot to boil off moisture.  This is why the
minimum oil inlet temperature Lycoming specifies is either 140 or 160
deg F, I forget which.
Chris Zavatson
N91CZ
L360-std  
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