Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Mon, 19 May 2003 19:35:19 -0400 Message-ID: X-Original-Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.93.67.84] verified) by logan.com (CommuniGate Pro SMTP 4.1b6) with ESMTP id 2354644 for flyrotary@lancaironline.net; Mon, 19 May 2003 10:57:55 -0400 Received: from mail3.nc.rr.com (fe3 [24.93.67.50]) by ms-smtp-03.southeast.rr.com (8.12.5/8.12.2) with ESMTP id h4JEu9NS022786 for ; Mon, 19 May 2003 10:56:22 -0400 (EDT) Received: from nc.rr.com ([24.211.186.67]) by mail3.nc.rr.com with Microsoft SMTPSVC(5.5.1877.757.75); Mon, 19 May 2003 10:54:49 -0400 X-Original-Message-ID: <3EC8EE8A.2010505@nc.rr.com> X-Original-Date: Mon, 19 May 2003 10:47:38 -0400 From: Ernest Christley User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020826 X-Accept-Language: en-us, en MIME-Version: 1.0 X-Original-To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: coolant / thermostat References: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Ed Anderson wrote: > Actually, the engine cools fine on the ground without the thermostat as it > does have a BIG fan out front. In the air, on cold winter days at modest > power settings (like cruise), the coolant temp can drop down to 150F which > is a bit on the cool side. Cowl flaps would likely be the answer to > maintaining the temps up around 180F. So a thermostat might be more than > an option for those of you living in the northen climates. I used to drive an 18-wheeler, and the first tractor I bought was a Mac that had shutters in front of the radiator. A bi-metal 'thermostat' controlled the radiator so the shutters opened when the water got hot and closed when it got cold. Combine this with one of those new adjustable NACA ducts that AS is selling, and you'll have all the cooling necessary with the least amount of cooling drag. What's missing? -- ----Because I can---- http://home.nc.rr.com/deltabuilder ------------------------