Mailing List flyrotary@lancaironline.net Message #2796
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: water flow (the quiz)
Date: Wed, 3 Sep 2003 19:04:42 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
Your potential problem is simply not having enough coefficient of thermal coupling between oil and water.  If you don't,  none of the proposed changes will work.  Another factor:  If the thermostat is throttling the water flow through the rad due to too much water cooling, the water at the cold end of the rad is *really* cool.  The oil cooler at that end will provide all the cooling the oil could ask for IF there is sufficient thermal transfer capability. 
 
 Just my opinion but the proposed plumbing changes would be a waste of precious time. 
 
 Tracy 
 
I suspect you're absolutely correct Tracy.  I really liked the C&R racing radiator, because they had a nice heat exchanger built in.  It was meant to be a real heat exchanger, and not a cheesy V8 oil cooler like the ones that are in most (including Howe) radiators.  I hate to get too deep into speculation until I find out if it's actually working or not, but I'll have quite a dilemma if it isn't going to work.     
 
Thanks,
Rusty
  
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