Return-Path: Sender: (Marvin Kaye) To: lml Date: Mon, 14 Jul 2003 20:14:11 -0400 Message-ID: X-Original-Return-Path: Received: from imo-r02.mx.aol.com ([152.163.225.98] verified) by logan.com (CommuniGate Pro SMTP 4.1b9) with ESMTP id 2475185 for lml@lancaironline.net; Mon, 14 Jul 2003 20:12:55 -0400 Received: from Sky2high@aol.com by imo-r02.mx.aol.com (mail_out_v36_r1.1.) id q.111.2591f3bf (3850) for ; Mon, 14 Jul 2003 20:12:38 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <111.2591f3bf.2c44a0f5@aol.com> X-Original-Date: Mon, 14 Jul 2003 20:12:37 EDT Subject: Re: [LML] oil temp too high X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1058227957" X-Mailer: 9.0 for Windows sub 4021 -------------------------------1058227957 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 7/14/2003 6:18:07 PM Central Daylight Time, Rob@Logan.com writes: http://rob.com/lancair/2002.03/9side.jpg Rob, Your oil cooler appears to be in a direct blast of high speed air possibly forming pressure fronts on the vanes and closing off the air going thru. Also, from my view, it looks too small for that engine - maybe 2 of them?. Have you measured the pressure differential across the cooler? From one of the charts it appears that the temps just kept rising, as though the cooling function was just short of that necessary to keep the temp constant. More oil won't solve your problem. Is the air backing up behind it. What happens to the cyl head temps? In other words, is it just that the oil cooling function is just short of fully cooling the oil? Have you tried a diffuser in front of the cooler to slow donw the air but keep the pressure up? Just a few questions. Scott Krueger 2003 Air Venture Cup Racer #94 Sky2high@aol.com LNC2 N92EX IO320 Aurora, IL (KARR) -------------------------------1058227957 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 7/14/2003 6:18:07 PM Central Daylight Time,=20 Rob@Logan.com writes:

http://rob.com/lancair/2002.03/9side.jpg

Rob,

Your oil cooler appears to be in a direct blast of high speed air=20 possibly forming pressure fronts on the vanes and closing off the air going=20 thru. Also, from my view, it looks too small for that engine - maybe 2= of=20 them?. Have you measured the pressure differential across the cooler?&= nbsp;=20 From one of the charts it appears that the temps just kept rising, as though= the=20 cooling function was just short of that necessary to keep the temp=20 constant. More oil won't solve your problem. Is the air backing=20= up behind=20 it. What happens to the cyl head temps? In other words, is it ju= st=20 that the oil cooling function is just short of fully cooling the oil? =20 Have you tried a diffuser in front of the cooler to slow donw the air but ke= ep=20 the pressure up?

Just a few questions.

Scott=20 Krueger
2003 Air Venture Cup Racer #94
Sky2high@aol.com
LNC2 N92EX=20= IO320=20 Aurora, IL (KARR)

-------------------------------1058227957--