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From: Bud Yerly <budyerly@msn.com>
To: "europa-list@matronics.com" <europa-list@matronics.com>
Subject: RE: Europa-List: Re: Cabin fresh air exhaust
Date: Fri, 25 Aug 2023 15:08:50 +0000
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--> Europa-List message posted by: Bud Yerly <budyerly@msn.com>

I'll take some time tonight.
Bud

-----Original Message-----
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matronics.com> On Behalf Of Area-51
Sent: Friday, August 25, 2023 11:04 AM
To: europa-list@matronics.com
Subject: Europa-List: Re: Cabin fresh air exhaust

--> Europa-List message posted by: "Area-51" <goldsteinindustrial@gmail.com>

Do a quick explanation sketch Bud.

Played with this a bit more today by adding an additional belly vent aft of the curtis valves; then another pair of vents just below the leading edge of the Hstab; then added a passage through the D panel.

The top mounted exit vent provides the most volume flow through the entry vents into the cabin. However eliminating both top and belly exit vents and retaining the D panel port and rear exit vents provides a more uniform flow and less disturbance to exterior free stream air upon exit.

The model being tested has the flap bar slots blocked off; there would normally be air exiting or entering from this area; which is possibly where CO is getting in from prop swirl turbulence.


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=511346#511346


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