X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3.5) with ESMTP id 1024205 for flyrotary@lancaironline.net; Mon, 27 Jun 2005 21:36:29 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from ibm63aec.bellsouth.net ([65.6.194.9]) by imf21aec.mail.bellsouth.net with ESMTP id <20050628013542.CKUM5760.imf21aec.mail.bellsouth.net@ibm63aec.bellsouth.net> for ; Mon, 27 Jun 2005 21:35:42 -0400 Received: from rd ([65.6.194.9]) by ibm63aec.bellsouth.net with ESMTP id <20050628013542.JHVK25209.ibm63aec.bellsouth.net@rd> for ; Mon, 27 Jun 2005 21:35:42 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: NPG + use in aircraft?? Date: Mon, 27 Jun 2005 20:35:43 -0500 Message-ID: <000201c57b81$b380fda0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01C57B57.CAAAF5A0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01C57B57.CAAAF5A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Boy am I confused about local boiling. Thought that yes maybe cool momentarily while it initiates, but if a film stays in place that the = heat transfer goes to zip and damage to parts occur.=20 =20 Me too. I almost wonder if we aren't getting worse than the other list sometimes.=20 =20 I like your idea about no pressure and measuring coolant level for = leaks.=20 =20 Thanks. After my oil cooler ordeal, I did that as a way to feel better about the remaining evap cores that are being used for coolant. I know = this is not the same as using them for oil, but I'm happy that I will know if there's a leak, before it becomes a problem. =20 =20 What is the difference between R and +.=20 =20 Here's all the scoop: http://www.evanscooling.com/catalog/C_npg1.htm =20 The -R is lower viscosity, which I figured should be better for us. = Even with this lower viscosity, it causes some problems with the EWP in = cooler temps. This fact might cause me to use a mechanical pump, with EWP = backup on the Kolb, like I do on the RV-3. =20 Rusty (should be EFIS-ing by the weekend)=20 ------=_NextPart_000_0003_01C57B57.CAAAF5A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Boy am I confused about local boiling. Thought that yes maybe cool=20 momentarily while it initiates, but if a film stays in place that the = heat=20 transfer goes to zip and damage to parts occur. 
 
Me = too.  I almost=20 wonder if we aren't getting worse than the other list=20 sometimes. 
 
 I like your idea = about no=20 pressure and measuring coolant level for leaks. 
 
Thanks.  After my=20 oil cooler ordeal, I did that as a way to feel better about the = remaining=20 evap cores that are being used for coolant.  I know this is not the = same as=20 using them for oil, but I'm happy that I will know if there's a leak, = before it=20 becomes a problem.  
 
What is the difference between R and +. 
 
Here's all = the=20 scoop:  http://www.evansc= ooling.com/catalog/C_npg1.htm
 
The -R is = lower=20 viscosity, which I figured should be better for us.  Even with = this=20 lower viscosity, it causes some problems with the EWP in = cooler=20 temps.  This fact might cause me to use a mechanical = pump, with=20 EWP backup on the Kolb, like I do on the RV-3.
 
Rusty = (should be=20 EFIS-ing by the weekend) 
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