Date: Mon, 17 Jan 2000 10:12:40 -0500
From: Lynda Frantz <LFrantz@compuserve.com>
Subject: CO
Sender: Lynda Frantz <LFrantz@compuserve.com>
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I have had a yellow dot CO detector in my Lancair.  It is the inexpensive
pill shaped detector glued on a small piece of plastic and available from
most hardware stores.  When the pill turns brown or dark CO is too high. 
Cost is only a few bucks.

A good friend of mine and IA flew his Mooney into a ditch killing himself. 
The cause was CO poisioning from a cracked exhaust inside the heat muff. 
Consequently, my condition inspection requires removal of the heat muff and
inspection of  the exhhaust pipe for wear or cracks. This is a pretty
standard inspection for most aircraft anyway.  

Am I adequately protected or am I fooling myself?  It would be interesting
to know how these yellow dots work, the response time and if the science
behind the yellow dots will provide adequate warning in most cases.  In
other words, could I sucumb before the dot turns brown if exposed to a very
high level of CO?  Anybody know?

Does the CO detector discussed have a ground fault circuit  that could
trigger an aural waring or annunciator? 

Jim Frantz

   
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