Return-Path: <13brv3@bellsouth.net> Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2566558 for flyrotary@lancaironline.net; Wed, 03 Sep 2003 20:04:43 -0400 Received: from rad ([68.212.14.21]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20030904000443.XJBF17556.imf22aec.mail.bellsouth.net@rad> for ; Wed, 3 Sep 2003 20:04:43 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: water flow (the quiz) Date: Wed, 3 Sep 2003 19:04:42 -0500 Message-ID: <009301c37278$247a6970$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0094_01C3724E.3BA46170" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0094_01C3724E.3BA46170 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable 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.=20 =20 Just my opinion but the proposed plumbing changes would be a waste of precious time.=20 =20 Tracy=20 =20 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. =20 =20 Thanks, Rusty =20 ------=_NextPart_000_0094_01C3724E.3BA46170 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Your potential = problem is=20 simply not having enough coefficient of thermal coupling between oil and = water.  If you don't,  none of the proposed changes will = work. =20 Another factor:  If the thermostat is throttling the water flow = through the=20 rad due to too much water cooling, the water at the cold end of the rad = is=20 *really* cool.  The oil cooler at that end will provide all the = cooling the=20 oil could ask for IF there is sufficient thermal transfer = capability. 
 
 Just=20 my opinion but the proposed plumbing changes would be a waste of = precious=20 time. 
 
 Tracy 
 
I suspect you're = absolutely correct=20 Tracy.  I really liked the C&R racing radiator, because = they had a=20 nice heat exchanger built in.  It was meant to be a real heat=20 exchanger, and not a cheesy V8 oil cooler like the ones that are = in most=20 (including Howe) radiators.  I hate to get too deep into = speculation=20 until I find out if it's actually working or not, but I'll have quite a = dilemma=20 if it isn't going to=20 work.     
 
Thanks,
Rusty
  
------=_NextPart_000_0094_01C3724E.3BA46170--