X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 09 Mar 2009 13:41:41 -0400 Message-ID: X-Original-Return-Path: Received: from QMTA08.westchester.pa.mail.comcast.net ([76.96.62.80] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTP id 3532503 for lml@lancaironline.net; Sat, 07 Mar 2009 21:49:18 -0500 Received-SPF: pass receiver=logan.com; client-ip=76.96.62.80; envelope-from=mjrav@comcast.net Received: from OMTA14.westchester.pa.mail.comcast.net ([76.96.62.60]) by QMTA08.westchester.pa.mail.comcast.net with comcast id QMMf1b00R1HzFnQ58SokCq; Sun, 08 Mar 2009 02:48:45 +0000 Received: from mjr ([75.69.204.181]) by OMTA14.westchester.pa.mail.comcast.net with comcast id QSoh1b00C3vLfmK3aSokW5; Sun, 08 Mar 2009 02:48:44 +0000 X-Original-Message-ID: <004b01c99f98$95cc0130$b5cc454b@mjr> From: "Mark Ravinski" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] oil cooling X-Original-Date: Sat, 7 Mar 2009 21:50:05 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0048_01C99F6E.ACCB3FB0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1933 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1933 This is a multi-part message in MIME format. ------=_NextPart_000_0048_01C99F6E.ACCB3FB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Randy, My 360 gets it's oil cooled by a 3" and 2" scat from the back of the = plenum to the oil cooler. (Certainly is crowded with the short mount.) Maybe you could add some ducting on your setup. Another thing that helps is a good plenum. Efficiently air cooling the = heads takes more of the thermal load off the oil. Mark Ravinski 360 1458 hrs ----- Original Message -----=20 From: randy snarr=20 To: lml@lancaironline.net=20 Sent: Friday, March 06, 2009 7:53 PM Subject: [LML] oil cooling All, I am looking for suggestions on how to lower my oil temps. I am = running an IO 320 on the original 235 frame. On warm days in a climb I = have trouble keeping them below 220. I usually have to flatten out the = climb to cool things down if they get up to 230 or so. Once in cruise it = is not a problem and they will settle around 210. I would like to get = them down to 190 if possible. The problem is on a 75 plus degree day = when the airplane is already warm from flying and I need to go again. I = am picking up outside air on a naca vent on the left side of the cowl. = There is a 6" length scat tube (4"diameter) connecting the cowl inlet to = a glass expansion section that is connected to the cooler.(see pics). It = just dumps in the lower cowl area. I am running a Stewart Warner oil cooler that many have had = success with. I have tried larger hoses to the cooler now using -8's and also = removed the 90 deg fittings I used to have to improve flow. I suspect my ducting and or connection to the cooler could be = improved. I am looking for suggestions that could be done without = cutting the cowl. Thanks in advance! Randy L.Snarr =20 -------------------------------------------------------------------------= ----- -- For archives and unsub = http://mail.lancaironline.net:81/lists/lml/List.html ------=_NextPart_000_0048_01C99F6E.ACCB3FB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
Randy,
My 360 gets it's oil cooled by a 3" and = 2" scat=20 from the back of the plenum to the oil cooler.
(Certainly is crowded with the short=20 mount.)
Maybe you could add some ducting on = your=20 setup.
Another thing that helps is a good = plenum. =20 Efficiently air cooling the heads takes more of the thermal load off the = oil.
 
Mark Ravinski
360  1458 hrs
----- Original Message -----
From:=20 randy=20 snarr
Sent: Friday, March 06, 2009 = 7:53=20 PM
Subject: [LML] oil = cooling

All,
I am looking for suggestions on = how to=20 lower my oil temps. I am running an IO 320 on the original 235 = frame. On=20 warm days in a climb I have trouble keeping them below 220. I = usually=20 have to flatten out the climb to cool things down if they get up = to 230=20 or so. Once in cruise it is not a problem and they will settle = around=20 210. I would like to get them down to 190 if possible. The = problem is on=20 a 75 plus degree day when the airplane is already warm from = flying and I=20 need to go again. I am picking up outside air on a naca vent on = the left=20 side of the cowl. There is a 6" length scat tube (4"diameter) = connecting=20 the cowl inlet to a glass expansion section that is connected to = the=20 cooler.(see pics). It just dumps in the lower cowl area.
I am = running=20 a Stewart Warner oil cooler that many have had success = with.

I=20 have tried larger hoses to the cooler now using -8's and also = removed=20 the 90 deg fittings I used to have to improve flow.
I suspect = my=20 ducting and or connection to the cooler could be improved. I am = looking=20 for suggestions that could be done without cutting the=20 cowl.

Thanks in advance!

Randy=20 L.Snarr



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For archives and unsub=20 = http://mail.lancaironline.net:81/lists/lml/List.html
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