Return-Path: Received: from relay03.roc.ny.frontiernet.net ([66.133.131.36] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3179851 for flyrotary@lancaironline.net; Tue, 20 Apr 2004 00:49:47 -0400 Received: (qmail 30271 invoked from network); 20 Apr 2004 04:49:47 -0000 Received: from 65-73-215-188.bras01.cok.tn.frontiernet.net (HELO frontiernet.net) ([65.73.215.188]) (envelope-sender ) by relay03.roc.ny.frontiernet.net (FrontierMTA 2.3.18) with SMTP for ; 20 Apr 2004 04:49:47 -0000 Message-ID: <4084AC6B.46639D2F@frontiernet.net> Date: Mon, 19 Apr 2004 23:51:55 -0500 From: Jim Sower X-Mailer: Mozilla 4.77 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: water coolant percentages References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Interesting figures. I've heard (can someone verify this?) that if heat conductivity figures were included, the high coolant ratio figures wouldn't look so encouraging. Someone once told me that conductivity decays only a little less dramatically than the boiling point increases. Say it ain't so .... Jim S. John Slade wrote: > While my email provider (bellsouth) was banned from the list, Rusty wrote: > >I also just found this table: > >% CoolantFreezeBoil > >20% 16 253 > >33% 0 256 > >40% -12 260 > >50% -34 265 > >70% -90 277 > > Hmmm. I'm using about 90% coolant / 10% tap water. > > What are the other flyers using? > John (too much wind to fly) >