Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Wed, 09 Apr 2003 17:12:52 -0400 Message-ID: X-Original-Return-Path: Received: from [65.54.169.97] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1b2) with ESMTP id 2111243 for flyrotary@lancaironline.net; Wed, 09 Apr 2003 11:30:37 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 9 Apr 2003 08:30:36 -0700 Received: from 65.137.50.189 by bay3-dav67.bay3.hotmail.com with DAV; Wed, 09 Apr 2003 15:30:35 +0000 X-Originating-IP: [65.137.50.189] X-Originating-Email: [lors01@msn.com] Reply-To: "Tracy Crook" From: "Tracy Crook" X-Original-To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] radiators X-Original-Date: Wed, 9 Apr 2003 11:30:54 -0400 Organization: Real World Solutions Inc. MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0059_01C2FE8B.7BA1B660" 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-Original-Message-ID: X-OriginalArrivalTime: 09 Apr 2003 15:30:36.0095 (UTC) FILETIME=[F78EB4F0:01C2FEAC] This is a multi-part message in MIME format. ------=_NextPart_000_0059_01C2FE8B.7BA1B660 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: kevin lane=20 To: Rotary motors in aircraft=20 Sent: Sunday, April 06, 2003 10:00 PM Subject: [FlyRotary] radiators in designing a radiator is there much difference between a say 4" core = versus two 2" cores side by side? would a gap between them be = beneficial or harmful? would it make any sense to open up the gaps if I = used two radiators to say 1/8" spacing on the second core? let's hear = it for seat-of-the-pants aerodynamics! kevin I assume you are saying the rads are one in front of the other. That = ought to work fine Kevin. It should even be better than a single thick = rad since you can plumb them "back to front" to keep the differential = temps closest to optimum. (i.e., hot water in to rear rad & cooled = water out the front rad.) There is a slight weight disadvantage doing it = this way but no big deal. Tracy ------=_NextPart_000_0059_01C2FE8B.7BA1B660 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
From:=20 kevin = lane
Sent: Sunday, April 06, 2003 = 10:00=20 PM
Subject: [FlyRotary] = radiators

in designing a radiator is = there much=20 difference between a say 4" core versus two 2" cores side by = side?  would=20 a gap between them be beneficial or harmful?  would it make any = sense to=20 open up the gaps if I used two radiators to say 1/8" spacing on the = second=20 core?  let's hear it for seat-of-the-pants = aerodynamics!  =20 kevin
 
I assume you are saying the = rads are=20 one in front of the other.  That ought to work fine Kevin.  = It=20 should even be better than a single thick rad since you can plumb them = "back=20 to front" to keep the differential temps closest to optimum.  = (i.e., hot=20 water in to rear rad & cooled water out the front rad.) There is a = slight=20 weight disadvantage doing it this way but no big deal.
 
Tracy
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