X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.25.9.102] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1231459 for flyrotary@lancaironline.net; Mon, 10 Jul 2006 17:49:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-111-186.carolina.res.rr.com [24.74.111.186]) by ms-smtp-03.southeast.rr.com (8.13.6/8.13.6) with SMTP id k6ALmepw025534 for ; Mon, 10 Jul 2006 17:48:42 -0400 (EDT) Message-ID: <001d01c6a46a$a3b589f0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Temperature control Date: Mon, 10 Jul 2006 17:48:54 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01C6A449.1C5C80B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_001A_01C6A449.1C5C80B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jesse, I once tried Red Line water wetter - I was really impressed with = reports of 10F temp drops in coolant temps - however, there was no = detectable difference when I used it in my system. HOWEVER, that was = back in the early days, before I understood what was really happening. = I suspect that the major problem I had back then was with adequate air = flow through the core - so water wetter probably would not have any = success in fixing that problem {:>). I probably should try Redline again just to see if it would make a = difference now. Ed ----- Original Message -----=20 From: jesse farr=20 To: Rotary motors in aircraft=20 Sent: Monday, July 10, 2006 4:30 PM Subject: [FlyRotary] Re: Temperature control What's wrong with redline water wetter? In racie cars, seems that it = will increase heat absorption and disbursement pretty well. jofarr, soddy tn ----- Original Message -----=20 From: Ed Anderson=20 ----- Original Message -----=20 From: James Maher=20 Welcome to the club, cooling appears to always be the first item = of business. I can not quantify the differences those changes you = propose would make. However, a 50/50 coolant mixture has a 40% lower specific heat = than pure water alone. Meaning it will not carry as much heat away at = the same coolant temperature. Would pure water give you 40% more = cooling - I personally doubt it, would it help, I believe it certainly = would. ------=_NextPart_000_001A_01C6A449.1C5C80B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Jesse, I once tried Red Line water wetter - I = was really=20 impressed with reports of 10F temp drops in coolant temps - however, = there was=20 no detectable difference when I used it in my system.  HOWEVER, = that was=20 back in the early days, before I understood what was really = happening.  I=20 suspect that the major problem I had back then was with adequate air = flow=20 through the core - so water wetter probably would not have any success = in fixing=20 that problem {:>).
 
I probably should try Redline again just to see = if it=20 would make a difference now.
 
Ed
 
 
----- Original Message -----
From:=20 jesse = farr=20
Sent: Monday, July 10, 2006 = 4:30 PM
Subject: [FlyRotary] Re: = Temperature=20 control

What's wrong with redline water = wetter? In racie=20 cars, seems that it will increase heat absorption and disbursement = pretty=20 well.
jofarr, soddy tn
 
----- Original Message -----
From:=20 Ed Anderson
----- Original Message ----- =
From:=20 James=20 Maher
Welcome to the club, cooling appears to = always be=20 the first item of business.   I can not quantify the = differences=20 those changes you propose would make.
 
However, a 50/50 coolant mixture has a 40% = lower=20 specific heat than pure water alone.  Meaning it will not = carry as=20 much heat away at the same coolant temperature.  Would pure = water=20 give you 40% more cooling - I personally doubt it, would it help, = I=20 believe it certainly=20 would.
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