X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1239747 for flyrotary@lancaironline.net; Mon, 17 Jul 2006 08:39:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=atlasyts@bellsouth.net Received: from ibm66aec.bellsouth.net ([65.11.138.25]) by imf23aec.mail.bellsouth.net with ESMTP id <20060717123849.FLFY23035.imf23aec.mail.bellsouth.net@ibm66aec.bellsouth.net> for ; Mon, 17 Jul 2006 08:38:49 -0400 Received: from [192.168.0.81] (really [65.11.138.25]) by ibm66aec.bellsouth.net with ESMTP id <20060717123849.QEOZ18054.ibm66aec.bellsouth.net@[192.168.0.81]> for ; Mon, 17 Jul 2006 08:38:49 -0400 Mime-Version: 1.0 (Apple Message framework v752.2) In-Reply-To: References: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <68B5DED6-3213-4FA1-AAE8-3161635D97EA@bellsouth.net> Content-Transfer-Encoding: 7bit From: Bulent Aliev Subject: Re: [FlyRotary] Re: Cooling coupling Date: Mon, 17 Jul 2006 08:38:47 -0400 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.752.2) Also we must remember that the water temps are measured after the engine block and the oil after the cooler. That's why the oil temps are always few degrees lower. There must be some heat transfer between oil and water, if the temp difference is high. Buly On Jul 17, 2006, at 7:41 AM, Steve Brooks wrote: > Al, > I' also suspect that there is heat/cooling transfer from the oil > and coolant. When I taxi, and also during climb out, my oil > temperature always lags behind the coolant by 10 degrees or so. In > cruise, after just a few minutes, my coolant and oil both settle in > to the same temperature. > > Steve Brooks