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Date: Sun, 23 Dec 2007 12:07:41 -0500
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From: <jeff@eurocars4less.com>
References: <list-2607650@logan.com>
Subject: Re: [LML] Glass Panel Backup
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Hey Ed and Janie,

How are you? I had misplaced your contact info from when I first signed on 
with LML.
 I'd Like to give you a call and talk about your OP Technologies systems.
I'm Down in Raleigh, NC
Re-Doing a Legacy with OP and Garmin.

We'll Hope everyone has a Great Holiday!!
Merry Christmas!!!


Jeff Rienzi
919-418-9000
jeff@eurocars4less.com

----- Original Message ----- 
From: "Janie & Ed Smith" <2luv2fly@cox.net>
To: <lml@lancaironline.net>
Sent: Thursday, December 20, 2007 9:19 PM
Subject: [LML] Glass Panel Backup


> Thursday Evening
> 12/20/07
>
> Group,
>
> We have the OP Technologies (now Aerosonic) EFIS and MFD in our IV-P, 
> along with the Garmin AT avionics package.  For our backup system, we 
> chose to use a vacuum pump operated attitude gyro, along with the 
> altimeter and airspeed. Instead of using a dry pump, we opted to use a 
> "wet pump" (old, old technology, but very reliable).  For the oily air 
> discharge, we tapped into the crankcase vent air/oil separator with an 
> additional pipe nipple welded in tangentially for the vacuum pump - just 
> like the crankcase vent nipple.
>
> We installed this identical system on another IV-P that now has about two 
> years of operation - no problems to date.  Yes, there may be some 
> additional oil on the belly that wouldn't normally be there, but cleans up 
> easily. (crankcase vent still causes some oil film)  It is my opinion that 
> this utilizes the "KISS" principle and certainly lighter than a second 
> battery.
>
> FWIW,
>
> Ed Smith
> Chesapeake, VA
> IV-P Builder
>
> --
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