REFLECTOR: Naca Nose heater

Fri Oct 10 07:20:27 CDT 2014

To early to say  now that the air is turning cold  I will have to see 
how much it effects the  cooling.

On 10/9/2014 7:00 PM, jeff findarle via Reflector wrote:
> Question, On my 173RG, this is also the Naca vent for the Oil cooler. 
> Are you having any cooling issues blocking the vent off?
> I know on my Old Cherokee we would adjust the oil temp by adjusting 
> the intake on the inlet to the oil cooler.
> Thank you, Jeff
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> On Thursday, October 9, 2014 7:16 AM, "Stockman, Bill via Reflector" 
> <reflector at tvbf.org> wrote:
>
>
>
>     Several us up "north" have installed a second cooler in the nose
>     (mine is directly on top of the first in a 173FGE) that only
>     recirculated cabin air for heating.    Works very well.
>
>     -----Original Message-----
>     From: Reflector [mailto:reflector-bounces at tvbf.org
>     <mailto:reflector-bounces at tvbf.org>] On Behalf Of Ron N
>     VelocityXLFG via Reflector
>     Sent: Wednesday, October 08, 2014 5:38 PM
>     To: Velocity Aircraft Owners and Builders list
>     Subject: Re: REFLECTOR: Naca Hose heater
>
>     I had a blower on the system naca intake at first a few years ago,
>     The
>     blower motor just did not work as well as I had hoped.  Now If i
>     had a
>     separate heater core
>     plumbed with a  blower just recirculating the cabin air I think
>     that Idea would work. But in an effort to keep it simple I am
>     going to work through this idea with a smaller duct  .  I a
>     perfect world I will be faster because of Less Drag. Cool better
>     by allowing the air to slow down and grab more heat from the
>     heater core. Be able to us the extra heat to heat the cabin and be
>     very simple.
>     Bad part is I just painted the plane I will have to touch it up.:(
>
>     Ron
>     On 10/8/2014 3:17 PM, Rene Dugas wrote:
>     > Ron,  I was attempting the same but just don't get the temps you
>     folks get.  I duct tape off about 80 percent of the cooler front
>     face in about a minute if it's cold.  One can't really see it and
>     it removes even quicker.  Not elegant.  I this the circulation of
>     air from cabin to cooler via bilge blower fan back into cabin is a
>     better choice.  If I plumb it I will cover the NACA and blow cabin
>     air through the cooler and overboard in summer.
>     > Best.
>     >
>     > Sent from Rene's iPad. A pleasure.  Go Apple.
>     >
>     >
>     >> On Oct 8, 2014, at 7:25 AM, Ron N VelocityXLFG via Reflector
>     <reflector at tvbf.org <mailto:reflector at tvbf.org>> wrote:
>     >>
>     >> Now as winter is at our door step here in Chicago.  We had snow
>     on Saturday. I have been trying a idea that seems to be
>     >> working out . I am in the early stages of testing this but so
>     far I like what I feel.  My thought is the Naca front heater scoop
>     >> is what many say is a ram air scoop. I think is to large. So to
>     keep it short I am working on blocking off much of the scoop to
>     see if I can get
>     >> more heat transfer by allowing the air to slow down and expand
>     before being used to heat the cabin. The first test I had almost
>     >> no air pushing through the air ducts. The second test had nice
>     warm air  . I have to do much more testing of this but I like the
>     early results.
>     >> Has any one else tried this and if so what did you find.
>     >>
>     >>
>     >> First scoop
>     >> <habaehac.jpg>
>     >>
>     >>
>     >>
>     >>
>     >>
>     >> Second scoop
>     >>
>     >>
>     >> <fabibieg.jpg>
>     >>
>     >>
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