Sender: "Marvin Kaye" <marv@lancaironline.net>
To: lml@lancaironline.net
Date: Thu, 07 Apr 2005 23:56:52 -0400
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From: "Dan Schaefer" <dfs155@adelphia.net>
Subject: Re: Oil and warming up
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Dom Crain wrote:

<<Further, it seems to me that in the event of an engine failure in
  flight, the first thing after all the standard checks is to get the prop
  into full coarse, which we all know improves the glide ratio
  considerably.>>

Hmmm, with an engine failure in flight (depending on it's nature) it's
unlikely that you'll have the oil pressure required to run the prop to
coarse pitch (unless you have an accumulator or the failure allows the prop
to windmill). It is likely that you'll just have to take whatever pitch it
goes to when that happens. I understand that when oil pressure is lost, some
props go flat, some go coarse to a pre-set mechanical limit. But without oil
pressure, I don't think you'll do the chosing.

Dan Schaefer