Return-Path: Received: from SMTP03.INFOAVE.NET ([165.166.0.28] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 607675 for flyrotary@lancaironline.net; Fri, 14 Jan 2005 18:22:30 -0500 Received-SPF: none receiver=logan.com; client-ip=165.166.0.28; envelope-from=bjspencer@blomand.net Received: from computer ([206.74.88.123]) by SMTP00.InfoAve.Net (PMDF V6.2-X31 #30986) with SMTP id <01LJLNKC1UQK9DASLZ@SMTP00.InfoAve.Net> for flyrotary@lancaironline.net; Fri, 14 Jan 2005 18:21:37 -0500 (EST) Date: Fri, 14 Jan 2005 17:21:33 -0600 From: joe spencer Subject: Re: [FlyRotary] Re: water cooled matrix in oil pan To: Rotary motors in aircraft Message-id: <000901c4fa8f$ca5a4f40$7b584ace@computer> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Mailer: Microsoft Outlook Express 6.00.2800.1106 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7bit X-Priority: 3 X-MSMail-priority: Normal References: Tracy Crook used the oil pan water system once. I believe he stopped using it ...........Joe ----- Original Message ----- From: "Wynn Mike" To: "Rotary motors in aircraft" Sent: Friday, January 14, 2005 4:24 PM Subject: [FlyRotary] Re: water cooled matrix in oil pan > > `The problem with this is that the oil is essentially stagnant in the pan' > > Al, this is only 'cause you haven't looked inside when its running - there's > an oil pump driving this stuff round the engine all the time, it just starts > and finishes at the bottom of the oil pan. The flow rate will be the same > as anywhere else on the system that you would choose to oil/air cooler. Its > true that the `dwell time' in the oil pan will be longer as this is your > reservoir but this is a good thing. > > One can discuss the merits of a (hot) water to (hotter) oil heat exchanger, > but that's a different question and one where I have no experience. They > are used on cars a lot but I don't know about their efficiency for > continuous high power operation. > > > Mike > Nice moose Kevin > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html