X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail15.syd.optusnet.com.au ([211.29.132.196] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTPS id 1315758 for flyrotary@lancaironline.net; Tue, 25 Jul 2006 18:31:35 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.196; envelope-from=lendich@optusnet.com.au Received: from george (d58-105-89-35.dsl.nsw.optusnet.com.au [58.105.89.35]) by mail15.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id k6PMUgZe021544 for ; Wed, 26 Jul 2006 08:30:43 +1000 Message-ID: <00aa01c6b039$f75e61a0$2359693a@george> From: "george lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Cooling coupling Date: Wed, 26 Jul 2006 08:30:42 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A7_01C6B08D.C8116BA0" 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-Antivirus: avast! (VPS 0630-1, 24/07/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_00A7_01C6B08D.C8116BA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Al "For my coolant I do get some air flow through the rad due to negative = pressure created by the prop. And I have an ace in the hole that I = haven't used yet (just simply hadn't thought about it) which is the = cabin heater with a centrifugal blower. I'm guessing that for ground ops = this would add significant heat rejection. Problem is heat is dumped = into the cabin, but on the ground there is always the option of the open = door." Good idea, an even better idea is an external shut off vent. One of the problems with fans are that they acually block flow of a = radiator, in flight. A seperate smaller radiator with a fan may be the = answer. George ( down under) ------=_NextPart_000_00A7_01C6B08D.C8116BA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Al
"For my = coolant I do=20 get some air flow through the rad due to negative pressure created by = the=20 prop.  And I have an ace in the hole that I haven=92t used yet = (just simply=20 hadn=92t thought about it) which is the cabin heater with a centrifugal = blower.=20 I=92m guessing that for ground ops this would add significant heat=20 rejection.  Problem is heat is dumped into the cabin, but on the = ground=20 there is always the option of the open door."
 
Good idea, = an even=20 better idea is an external shut off vent.
 
One of the = problems=20 with fans are that they acually block flow of a radiator, in flight. A = seperate=20 smaller radiator with a fan may be the answer.
George ( = down=20 under)
 
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