REFLECTOR: Fresh air vent

[John Dibble]

I have the same vent system as Jim and it works great.  Blowing the air
at your head is the most efficient means of cooling off.

John

Jim Agnew wrote:

> I have a FG with the overhead vent system with 4 outlets 2 for the
> back & 2 for the front feed by a small NACA scoop on the top rear of
> the fuselage and they provide plenty of air at cruise.  I also have
> the 2 panel mounted outlets. The majority of the air out flow is via
> the spar area and the lower wing bolt holes.  I assume you have the
> reverse scoop covers on the bolt holes and they are aligned with the
> airflow for maximum suction.James F. Agnew
>
> Jim_Agnew_2 at Yahoo.Com
>
> Tampa, FL
>
> Velocity 173 Elite Aircraft Completed & Flying
>
> -----------------------------------------------------------------------
> From: Kent Murley <im at theaerodro.me>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Sent: Monday, August 3, 2009 12:28:50 PM
> Subject: Re: REFLECTOR: Fresh air vent
>
> Don - I recommend having a couple extra vents on the panel fed from a
> NACA near the canard. In my air-leaky RG the overhead plenum provides
> all the air I would need, but it's concentrated. Having an extra vent
> for each front seater coming out of the panel allows you to fine tune
> your comfort. If I turn the front plenum vents full open I get so much
> air movement by my face that it activates the intercom constantly. My
> passengers don't need the extra drama of listening to my irregular
> breathing. Imagine having Darth Vader as a flight instructor. I wonder
> if the tighter cabin of a fixed gear would mean the plenum would allow
> in less air, making extra vents even more helpful. KentXLRG  On Aug 3,
> 2009, at 7:13 AM, Don Johnston wrote:
>
>> I’m debating on whether or not to add an additional NACA duct up
>> front for panel mount fresh air vents.  I’m just not sure if the
>> overhead plenum vents will provide enough air on hot days.
>>
>> For those with flying aircraft, what is your opinion?
>>
>> -Don Johnston
>> www.velocity-xl.com
>>
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