Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2774118 for flyrotary@lancaironline.net; Wed, 26 Nov 2003 17:23:52 -0500 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id hAQMNmSr005508 for ; Wed, 26 Nov 2003 17:23:50 -0500 (EST) Message-ID: <002201c3b46b$5044eaa0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: radiator size Date: Wed, 26 Nov 2003 17:19:09 -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 Subject: [FlyRotary] Re: radiator size > Posted for Perry Mick : > > > Ed, I think I have the record for minimal number of cubic inches of rad > cooling a rotary. > > The finned volume of my rad is only 12" x 14" x 1.5" (not including the end > tanks). This is only 252 cubic inches. I also have a 1 x 3 x 9 cooler plumbed > to the heater port for cabin heat, that is always on, only the heated exit air > is controlled into the cabin. So that is another 27 cubic inches. Total is > less than 300 cubic inches. > > It only works for me because I am producing relatively low power, 120 HP @ > 5200 RPM in climb. And I have ducted-fan assisted airflow through the main > rad. Should I produce more power in the future this will probably not be > sufficient radiator. > .... SNIP . > > I'm trying to think of a canard pusher flying at the moment under rotary > power, using a conventional prop, that Paul Conner could use as a guide. I can > only think of Ron Gowan's EZ that flew several years ago. Of course there are > several Cozys etc. under construction, so there is still some trailblazing to > do in this area. Fortunately for Paul, he can get a larger rad in his plane > than I can get in mine. > > -- > Perry Mick Thanks for the information Perry.