Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2781790 for flyrotary@lancaironline.net; Wed, 03 Dec 2003 09:18:41 -0500 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id hB3EIPPg025325 for ; Wed, 3 Dec 2003 09:18:39 -0500 (EST) Message-ID: <002101c3b9a3$ce044520$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Heaters/defrosters Date: Wed, 3 Dec 2003 08:46:02 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine Mark I use the coolant through an small oil cooler in the cabin. I have a shut off valve. I think a compromise might be to have the small heat exchanger under the cowl (rather than in the cabin like mine) with a air duct into the cabin. That would address your concerns about the C0 and hot ethylen-glycol. Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ----- Original Message ----- From: "Mark Steitle" To: "Rotary motors in aircraft" Sent: Tuesday, December 02, 2003 7:02 PM Subject: [FlyRotary] Heaters/defrosters > Is there a "best practice" for cabin heat/defrost systems for rotary > a/c. Those of you that are flying, how did you approach this item. It > seems to me that with all that heat going out the tailpipe, it is a > no-brainer... except for the carbon-monoxide thing. Then again, I don't > want to be scalded with hot ethylene-glycol either. The exhaust muff seems > like the lighter and simpler solution. On the other hand, with proper > ducting, the heater core could add extra cooling during climb-out. > > Comments welcome, > Mark S. (hot oil exchanger is out of the question) > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html