Mailing List lml@lancaironline.net Message #59578
From: Colyn Case <colyncase@earthlink.net>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] CO and a pressurized cabin -- is there a worry?
Date: Thu, 01 Sep 2011 13:27:55 -0400
To: <lml@lancaironline.net>
- my CO detector goes off reliably on the ground if I have the door slightly cracked.   I'm not sure exactly what is going on but I think it has to do with air flowing backwards through the wheel wells into the outflow valve.
- if you had an exhaust leak in the cowl AND some leak in the induction system (e.g. hoses that lead into the turbos) that would eventually get to your cabin pressurized air.
- if you have an engine fire, depending on what fails, you could get CO in the cabin pressurized air.

I would take it very seriously, especially since the flow rate through the cabin is so much lower than an unpressurized plane that the CO could build up.

On Aug 31, 2011, at 7:42 AM, Dico Reijers wrote:

Hi All,

Since I'm new to the IV-P, I am wondering what the level of worry is of carbon monoxide getting into a pressurized cabin.  I know with my old Cherokee or Mooney, I always had CO detectors (either electronic of that little cardboard thing that changes colour)... but with the pressurized cabin, I would think there may be less chance, perhaps close to no chance, of it getting into the cabin.

Can someone please shed some light on this for me?

Thanks,

-Dico

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