Return-Path: Received: from [216.52.245.18] (HELO ispwestemail2.mdeinc.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 531859 for flyrotary@lancaironline.net; Sun, 14 Nov 2004 10:17:29 -0500 Received-SPF: none receiver=logan.com; client-ip=216.52.245.18; envelope-from=wschertz@ispwest.com Received: from 7n7z201 (unverified [67.136.146.0]) by ispwestemail2.mdeinc.com (Vircom SMTPRS 4.0.330.8) with SMTP id for ; Sun, 14 Nov 2004 07:17:12 -0800 Message-ID: <01bb01c4ca5c$fc5ef4e0$fc918843@7n7z201> From: "William" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EWP Testing Date: Sun, 14 Nov 2004 09:16:57 -0600 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 The lower viscosity at 180 allows a higher flow. I am away from my reference books, but will try to look up the effect in a couple of days. Bill Schertz KIS Cruiser # 4045 ----- Original Message ----- From: "Bob White" To: "Rotary motors in aircraft" Sent: Saturday, November 13, 2004 9:44 PM Subject: [FlyRotary] Re: EWP Testing > On Sat, 13 Nov 2004 20:52:22 -0600 > "William" wrote: > > Hi Bill, > > I was just looking at the viscosity of water. It varies from 1.31 cp at > 40 deg to 0.347 cp at 180 deg. What does that do to the flow rate > everything else staying the same? > > > Bob White > >> Bob, >> Pressure drop through a core is usually linear with the square of the >> flow rate, both for pumps and radiators. >> >> The point marked "real rad test" has my two evap cores in parallel >> being pumped by the mazda pump. >> >> Pumps in series add pressure, pumps in parallel add flow rate. >> Bill Schertz >> KIS Cruiser # 4045 > > > -- > http://www.bob-white.com > N93BD - Rotary Powered BD-4 (soon) > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html