From: "Christopher Barber" <CBarber@TexasAttorney.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: Picture update on my site.....yeah, finally
Date: Tue, 22 Jul 2003 10:55:34 -0500
Message-ID: <EGECIHAEHHKPHNMNKCLBMEFPHDAA.CBarber@TexasAttorney.net>
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John,

Thanks for the feedback.  I am still in the investigation  phase.  I have
already installed the top NACA per plans (this was done before I chose the
right path of flying rotary).  My thoughts at the moment are to install
identical NACA's on the bottom with the "heat exchange/radiator.  Then I can
use the top NACA's for additional needs.  I know Paul disfavors NACA's...but
my top ones were installed before I found this list and I tend to stick
mostly to the plans (of course that statement ignores belly NACA's and AUTO
CONVERSION <g>).  Hopefully with all 4 scoops, I will have choices as to the
best arrangement.  At this stage all ideas, especially better ones, are
greatly appreciated.

Do the armpit scoops prove to be more efficient versus drag?  It seems I
remember a lot of griping about them when I reviewed the Reflector archives.

All the best.

Chris

Christopher Barber
Attorney and Counselor at Law
11930 S Sam Houston Pkwy E
Suite 103
Houston, Texas 77089-4755
281-464-LAWS (5297)
281-754-4168 (Fax)

"Serving the needs of Senior Texans"

CBarber@TexasAttorney.net
www.TexasAttorney.net

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
Behalf Of John Overman
Sent: Tuesday, July 22, 2003 2:36 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Picture update on my site.....yeah, finally


--- CBarber <CBarber@Texasattorney.net> wrote:
> For those of you that like to follow this sort of
> thing, like I do, in
> addition to the new pictures I posted yesterday, I
> have added new shots to
> my builders web page today as well.
>
> These new pix include the 'ol core 13b I bought to
> learn/play with mounted
> on my Velocity SE. FWIW.
>
> All the best,
>
> Chris
> www.LoneStarVelocity.com
> Houston
>
Chris
   I realize you are planning to put your rad under
the engine. So was I, but after I mounted the engine
there wasn't as much room under it as I had hoped. I
felt it would be difficult to mount a rad plus feed
the oil cooler plus the inter cooler from below. So I
used the top NACA scoops. Not the factory diminsions
as they are not true to the formula. I plotted the
curves and cut two scoops on the top. Each one goes
directly into a triangular fiberglass plenum upon
which is hung a GM airconditioner evaporator core into
which I had welded two #12 AN bungs. I'm using one
armpit scoop tho feed the intercooler and the other to
feed the oil cooler.
I'm still fabricating but it looks like it will work
out great with not too much drag.
   Just one more way to do it.
                               John

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