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Date: Wed, 05 Dec 2012 11:28:21 -0500
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Subject: Re: [LML] Re: L-IV Engine out Practise-
From: Colyn Case <colyncase@earthlink.net>
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Hi Jeff,

Do you know your flaps down/gear down numbers?

I seem to remember something over 1700' fpm @120

On Dec 5, 2012, at 7:52 AM, jeffrey liegner wrote:

I have turned my LIVP engine off and practiced glides.  At 120 kts with =
half tanks and two pilots, AND a full feathered prop, my sink rate is =
550-600 fpm.  I can easily reproduce the performance of an engine shut =
down with the engine running nicely, a flat pitch prop at 2500 rpm, and =
10.5" MAP. =20

600 fpm is glide ratio of 20:1

I note my one mile final configuration is 2500 RPM and 11.5" MAP and 120 =
KIAS, very close to engine out (clean config) glide (not quite, but =
close).  This fact gives me some comfort regarding proximity to the =
airport and back up plan if engine quit (even though it's not truly =
protective).=20

Jeff L
LIVP


From: "William A. Hogarty" <billhogarty@gmail.com>
Subject: L-IV Engine out Practise-
Date: December 4, 2012 2:32:36 PM EST
To: lml@lancaironline.net


Would those brave souls who have practised "actual" engine out maneuvers =
in the IV  please
let me know what rate of descent vs fuel weight that they have =
experienced in the pattern.  Also pattern altitude
if much higher than sea level.
(My wife wont let me shut the engine down with the gear retracted--DRAT)

I have been using speed brakes and 800 RPM with prop full forward at 120 =
kts. and I usually practise
with less than 50 gal fuel.

Would like to get my rate of descent close to actual.

Help would be appreciated.

Regards, Bill Hogarty


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