Received-SPF: pass
 receiver=logan.com; client-ip=205.152.59.64; envelope-from=atlasyts@bellsouth.net
User-Agent: Microsoft-Entourage/10.1.4.030702.0
Date: Wed, 15 Dec 2004 06:32:51 -0500
Subject: Re: [FlyRotary] Oil Cooling/Pumping
From: Bulent Aliev <atlasyts@bellsouth.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message-ID: <BDE58B13.13022%atlasyts@bellsouth.net>
In-Reply-To: <list-568063@logan.com>
Mime-version: 1.0
Content-type: text/plain; charset="US-ASCII"
Content-transfer-encoding: 7bit

On 12/14/04 11:30 PM, "Joe" <jewen@comporium.net> wrote:

> With all the problems encountered with leaking oil coolers, I was wondering
> if the following has any merit.
> 
> Instead of using the engine driven oil pump to circulate oil through the
> cooler, why not install a secondary cooling loop. A seconary oil pick up
> would be connected to an auxilary oil pump which would circulate the oil
> through the cooler and return to the sump.  The secondary loop could be run
> with a lower pressure and larger hoses to maintain an adequate flow rate,
> putting less internal force on the oil cooler.  The normal engine
> connections for the oil cooler would be directly connected to each other to
> maintain oil flow in the engine.
> 
> One downside might be the couple of extra pounds for the aux oil pump, but
> that sounds like a small price to pay.  I appreciate anyone thoughts or
> comments.
> 
> Joe (Still waiting for an engine mount.)
> 
> 
> 

Joe, there is no problems with OIL coolers. The problem is with EVAPORATOR
cores used as oil coolers.
Buly