Europa-List: Re: Cabin fresh air exhaust

[Erich Trombley <erichdtrombley@juno.com>]

--> Europa-List message posted by: Erich Trombley <erichdtrombley@juno.com>

Hello all,

I appreciate the discussion this thread had yielded.   So, in my case I have a 
ram air NACA duct in the lower cowl which provides more than sufficient airflow 
to the two eyeball vents located in the lower portion of the center instrument 
panel.  The challenge I have, as previously mentioned, is getting the air to 
exit the cockpit in order to relieve the pressure which causes excessive bowing 
of the door frames.  Unfortunately, the standoffs on the D panel aren’t 
sufficient on their own, and I currently have just the pax door seal on at the 
moment.   

If I understand the latest analysis by Area-51 an exit near the horizontal 
stabilator may do the trick.   This may also require longer standoffs on my D 
panel if that becomes the flow constraint.  

I am also interested in hearing from Pete who has a reverse NACA installed just 
aft of the doors on the top of the canopy.   Noise and weather concerns 
notwithstanding, does this solution get the job done?

Thanks everyone for providing their time and energy to this question. 

Erich Trombley
N28ET
Classic Mono 914

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