Message-Id: <5.1.1.5.2.20031126145442.016bfad0@popserve.lerc.nasa.gov>
Date: Wed, 26 Nov 2003 14:55:05 -0500
To: <flyrotary@lancaironline.net>
From: Joseph M Berki <Joseph.M.Berki@grc.nasa.gov>
Subject: Fwd: Re: Unspecified
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>Hi Joe,
>
>I've only called him once - had a question about the web page.  I left a msg
>on his ans machine and he returned my call later - that says a LOT about the
>guy!  My question then was about the next to last column on the
>website "Serpentine".  He said if that colume was blank, then the core was 
>NOT
>serpenine.  The reason I wanted to talk to him was to find out the internal
>flow path in the GM cores.  He assured me they were just like auto 
>radiators -
>all the "stuff" goes in one end cap and flows across through all parallel
>passages to the other end cap and exits.
>
>I have not yet called him for help to identify a particular sized core - I
>don't yet have my cowl and engine and mount - not do I have any cad 
>drawing of
>those things - so don't really know how much room I'm going to have under the
>engine & mount.  It will be at least 2-3 months before I get my finish kit
>with cowl and can begin to play with real world placement options and "space
>available".  At that time, if the 2 big cores I have won't fit, then I'll 
>call
>him for alternative sizes.
>    - Actually, I'm not really sure if I should have the parallel passages
>running horizontally (with end caps on each side) - that is/was my initial
>thought, to be like an auto radiator.  That makes my 2 cores taller than wide.
>    -  On the other hand, if I rotate the cores 90 degrees so the end caps 
> are
>on bottom and top, then I'd have the coolant come in the bottom, flow up
>through all passages to top end cap and exit it there to go back into either
>bottom or top of 2nd A/C core.  In either case, a water valve (like a 
>radiator
>drain valve - don't know correct name or terminology - at the top of the 
>first
>core would be the place to manually vent air - or simply run a SMALL dia tube
>from a fitting there up into the bottom of the pressurized expansion tank to
>vent air 'automatically' - that is what I want to do.
>      So, if I put the end caps on top & bottom, then I'll probably not 
> have a
>need to select a different size a/c core.
>
>Joe, would you "fwd" this pvt e-mail to the Fly Rotary List - or reply to me
>with a Cc to the list?  I think this discussion should be shared for peer
>review/commentary.
>
>David
>
> > Hi Dave,
> >
> > "I went to the web site www.frigidair.com and then called the owner of the
> >  > after market maker of "OEM speck" cores."
> >
> >
> > I went to the same web site.  Did the owner indicate the size on these
> > evaporator cores?  Did he seem like you could work with him if one were
> > looking for a specific size?  Thanks for any help.
> >
> > Joe Berki
> > Limo EZ
> >
>
>
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