X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 24 Apr 2007 18:18:50 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-galgo.atl.sa.earthlink.net ([209.86.89.61] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2002666 for lml@lancaironline.net; Tue, 24 Apr 2007 17:09:39 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.61; envelope-from=artbertolina@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=DmA/EiztzwcpecFyF5Kw/YEyOQJc/eu2kxVyi7UuGlOal7t76gAFdhqAxbKSrHRG; h=Received:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MIMEOLE:X-ELNK-Trace:X-Originating-IP; Received: from [206.55.133.78] (helo=LAPTOP2) by elasmtp-galgo.atl.sa.earthlink.net with asmtp (Exim 4.34) id 1HgSFk-0002FS-7E for lml@lancaironline.net; Tue, 24 Apr 2007 17:08:48 -0400 X-Original-Message-ID: <003501c786b4$bc049280$4e00000a@LAPTOP2> From: "Art Bertolina" X-Original-To: "Lancair list Lancair list" Subject: Cooling Drag X-Original-Date: Tue, 24 Apr 2007 14:08:37 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0032_01C7867A.0D9B92A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-ELNK-Trace: 1c57f4aab304e4a6fc8cc707cfd6285a4d2b10475b571120186e4f9b314bed69d1b0436f8714f8d199f37241381ec17c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 206.55.133.78 This is a multi-part message in MIME format. ------=_NextPart_000_0032_01C7867A.0D9B92A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have used most of the ideas from George Braly engine cooling seminar of Oct/04 for TSIO 550 installations in L IVs. Over the last several months flying in So. Calif. at 15500 to 17500 at 2500RPM and 31" MAP and 19gph in cruise CHTs run from 264 to 305 oil temp 160 hottest TIT 1595, 80 to 90 LOP. Has anyone done any work with cooling drag. Directing the=20 air flow above the engine has a positive effect, has anyone tried to direct the air flow as it exits the bottom of the engine?, if = so with what effect?. Tried closing=20 down the exit area and again with any positive effect. Thoughts and comments would be appreciated. Art ------=_NextPart_000_0032_01C7867A.0D9B92A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
I have used most of the ideas from = George=20 Braly engine
cooling seminar of Oct/04 for TSIO 550=20 installations in
L IVs. Over the last several months = flying in So.=20 Calif.
at 15500 to 17500 at 2500RPM and 31" = MAP and=20 19gph
in cruise CHTs run from 264 to 305 oil = temp 160=20 hottest
TIT 1595, 80 to 90 = LOP.
Has anyone done any work with cooling = drag.=20 Directing the
air flow above the engine has a = positive effect,=20 has anyone
tried to direct the air flow as it = exits the bottom=20 of the engine?, if so with what effect?. Tried = closing 
down the exit area and again with any = positive=20 effect.
Thoughts and comments would be=20 appreciated.
Art    
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