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From: "Steve Brooks" <steve@tsisp.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: Evaporator Core Problem Solved
Date: Fri, 10 Sep 2004 07:55:19 -0400
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Joe,
Your right about the cores being different.  I measured them when I got
them, but I don't recall the exact measurements.  I know the one of them was
over 3 inches, 3-3/8 if I recall, and the other is less than 3 inches, but
not by very much.  I think that the thinner one was about 2-3/4".  The
thinner one is also about 3/8" taller than the thick one, which made
mounting it interesting.

I'm running from the water pump to the thinner core first.  I figured that
since the cores are in series, and the thinner core should be less
efficient, the hotter coolant would probably produce a similar temperature
drop as the 2nd core.  At least that was my thinking.

Regards,
Steve


-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
Behalf Of Joseph M Berki
Sent: Friday, September 10, 2004 7:07 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Evapora5tor Core Problem Solved


Steve,
         I was looking at some of the photos that you took of the cores and
it looks like you have two different types.  They look like the same length
and width but the thickness of the two units is not the same? ( 1"
difference translates into 244 cubic inches vs. 300 cubic inches of cooling
volume). I also have the same units and was wondering if I could get away
with using two of the thinner ones?  I believe the thinner cores come out
of late 80s early 90s cars while the thicker units come out of late 70s to
early 80s vehicles.

Joe Berki


At 11:45 AM 9/9/2004 -0400, you (Steve Brooks) wrote:
>Joe,
>The oil was lagging behind the coolant by 20 degrees or so, but that has
>always been the case on the ground.  The real test will be when I get a
>chance to fly it.  The oil always exceeded the coolant by 10-15 degrees on
>the old setup.  I'll have to wait and see how the new setup performs.
>
>Regards,
>Steve
>
>-----Original Message-----
>From:   Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]  On
>Behalf Of Joseph M Berki
>Sent:   Thursday, September 09, 2004 10:53 AM
>To:     Rotary motors in aircraft
>Subject:        [FlyRotary] Re: Evapora5tor Core Problem Solved
>
>Steve,
>          Way to go!!  Did you notice what the oil temp was doing with your
>new scoop or was there not enough run time to see.  Thanks.  Keep up the
>reports.
>
>Joe Berki
>Limo EZ
>Cooling scoop
>
>
>At 02:37 PM 9/8/2004 -0400, you (Steve Brooks) wrote:
> >I went to the airport today after drill out the blocking plates In my
> >evaporator cores.  After installation, I filled the system up with
coolant,
> >and ran it for a couple of minutes.  It was barely warm, so I opened the
> >header tank back up, and topped it off again.   The rain let up for a few
> >minutes, so I pushed the plane out, and taxied it up and down a few
times,
> >and also did a short run up to 4500 RPM's.  When I taxied back after 7 or
8
> >minutes, my coolant temperature was still only up to 180.
> >
> >The cores are consistently hot from top to bottom, and also the air
purged
> >out much easier.
> >
> >It is amazing how well it works when you're using the entire core,
instead
> >of just 25% of it.  I can't believe that I messed around with it for a
week
> >before getting to the bottom of it.  It seems so simple now.  Thanks to
> >everyone for the help.
> >
> >Now all I need is some good weather to take it for a flight.  We needed
> >rain, so I do appreciate our Florida friends sharing their hurricane
> >leftovers with us, but now I'm getting really tried of the rain.
> >
> >I also have to go out of town for my youngest daughters wedding this
> >weekend, so probably Monday evening will be my earliest opportunity to
see
> >how the new cooling set up works.
> >
> >Steve Brooks
> >Cozy MKIV N75CZ
> >Turbo Rotary
> >
> >
> >
> > >>  Homepage:  http://www.flyrotary.com/
> > >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>
>
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>
>
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html


>>  Homepage:  http://www.flyrotary.com/
>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
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