X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail.globalsuite.net ([69.46.103.200] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with SMTP id 2783017 for flyrotary@lancaironline.net; Sat, 08 Mar 2008 10:58:52 -0500 Received-SPF: none receiver=logan.com; client-ip=69.46.103.200; envelope-from=rusty@radrotary.com X-AuditID: c0a8013c-adbb0bb00000055f-79-47d2b7949602 Received: from DELLRD1 (unknown [209.114.234.11]) by mail.globalsuite.net (Symantec Mail Security) with ESMTP id 160674DC008 for ; Sat, 8 Mar 2008 08:58:11 -0700 (MST) From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Emailing: Inclinded Radiators.doc Date: Sat, 8 Mar 2008 10:57:48 -0600 Message-ID: <002d01c8813d$8c2544e0$09b812c6@DELLRD1> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002E_01C8810B.418AD4E0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 In-Reply-To: X-Brightmail-Tracker: AAAAAA== This is a multi-part message in MIME format. ------=_NextPart_000_002E_01C8810B.418AD4E0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable It basically states that inclining a radiator from 0 deg to 20-30 deg = will dec rease cooling and increase drag - not terribly surprising, = however, the article continues saying that at approx. 55 dig of inclination the cooling effectiveness is 30% greater than a radiator with no inclination = and the drag is 20% less!!! Now I found that surprising - but, then air = flow does take surprising twists (no pun intended). =20 While I find that claim very interesting - I have not found any collaborating documents. But, thought the group might find it = interesting=20 =20 Hi Ed, =20 That is pretty interesting. Now that I think of it, we've had a few = people using extreme angles either blow, or beside the engine. Have any of = those people had cooling issues? =20 Cheers, Rusty (watching a near-blizzard outside) ------=_NextPart_000_002E_01C8810B.418AD4E0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
It basically states that inclining a radiator = from 0 deg=20 to 20-30 deg will dec =20  rease cooling and increase drag - not terribly = surprising,=20 however, the article continues saying that at approx. 55 dig of = inclination the=20 cooling effectiveness is 30% greater than a radiator with no inclination = and the=20 drag is 20% less!!!  Now I found that surprising - but, then air = flow does=20 take surprising twists (no pun intended).
 
While I find that claim very = interesting - I=20 have not found any collaborating documents.  But, thought the group = might=20 find it interesting 
 
Hi=20 Ed,
 
That is pretty = interesting. =20 Now that I think of it, we've had a few people using extreme angles = either blow,=20 or beside the engine.  Have any of those people had cooling=20 issues?
 
Cheers,
Rusty=20 (watching a near-blizzard outside)
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