Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 20 Oct 2004 07:38:48 -0400 Message-ID: X-Original-Return-Path: Received: from [32.97.166.52] (HELO prserv.net) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 479948 for lml@lancaironline.net; Wed, 20 Oct 2004 04:30:01 -0400 Received-SPF: none receiver=logan.com; client-ip=32.97.166.52; envelope-from=mhutchins@attglobal.net Received: from marauder (67-40-50-126.dnvr.qwest.net[67.40.50.126]) by prserv.net (asmtp2) with SMTP id <2004102008293125200lmkg1e> (Authid: atp01); Wed, 20 Oct 2004 08:29:31 +0000 From: "Mike Hutchins" X-Original-To: "Lancair Mailing List" Subject: Keeping Ada Cooling Cool X-Original-Date: Wed, 20 Oct 2004 02:29:34 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003C_01C4B64C.A3CC4720" X-Mailer: Microsoft Office Outlook, Build 11.0.6353 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Thread-Index: AcS2fu3AifiBiQBZR4WUmzipQFhEBA== X-Original-Message-ID: This is a multi-part message in MIME format. ------=_NextPart_000_003C_01C4B64C.A3CC4720 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Well, Lynn, I guess I was the victim of disinformation when Andy told me at Reno that the cowl inlets were much larger than stock. Here is a picture of the "small" inlets on Race 33 - http://www.sportclass.com/2003_gallery_images/2003_7_lrg.jpg Here is a picture of the "large" inlets on the factory Legacy - http://www.lancairlegacy.com/Gallery_images/Legacy_profile.jpg Here are some pictures of the hole in the intercooler "clearance" blisters that Andy and Darryl "forgot" to close before the race - http://www.sportclass.com/2003_gallery_images/2003_4_lrg.jpg, http://www.avweb.com/newspics/Reno2004_g3_Greenamyer_AndyChiavetta.jpg, and here http://www.avweb.com/newspics/Reno2004_GreenamyerEngineMotto.JPG Now, it is possible that the inlet area, for just engine cooling, on Race 33 is less than the inlet area on a stock Legacy. But, you have to adjust the stock inlet area for the air lost to induction air, which would result in a functionally smaller air inlet devoted to engine cooling. I mention this for the sake of discussion, although I don't believe this is the case. I appreciate the correction, however, on the use of ADI fluid and the spray bars. Fortunately for all of us, there is almost always more than one way to accomplish any particular engineering goal. Each method has it plusses and minuses resulting in one solution out of a series of various compromises. I am not condemning the use of plenums any more than I am saying that George has the "only" solution to engine cooling. However, from the data I have seen so far, and to the extent of my engineering knowledge (which is rather limited, as I am not an engineer), I believe that most plenums represent a suboptimal solution to the many compromises inherent in cooling these beasts. On the other hand, I still think they look way cool and I remain very intrigued about their design and implementation. Lynn, is this your cowling? http://www.lancair-builders.com/photopost/showphoto.php?photo=32 &password=&sort=1&cat=504&page=1 I like what I can see so far. Do you have any more pictures of the installation further along? I hope all these links worked. Best Regards, Mike ------=_NextPart_000_003C_01C4B64C.A3CC4720 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Well, Lynn,

I guess I was the victim of disinformation when Andy = told me at Reno that the cowl inlets were much larger than = stock…

Here is a picture of the “small” inlets = on Race 33 - htt= p://www.sportclass.com/2003_gallery_images/2003_7_lrg.jpg<= /span>

Here is a picture of the “large” inlets = on the factory Legacy - h= ttp://www.lancairlegacy.com/Gallery_images/Legacy_profile.jpg

Here are some pictures of the hole in the intercooler = “clearance” blisters that Andy and Darryl “forgot” to close before the = race - htt= p://www.sportclass.com/2003_gallery_images/2003_4_lrg.jpg, http://www.avweb.com/newspics/Reno2004_g3_Greenamyer_AndyChiavetta= .jpg, and here http://www.avweb.com/newspics/Reno2004_GreenamyerEngineMotto.JPG

Now, it is possible that the inlet area, for just = engine cooling, on Race 33 is less than the inlet area on a stock Legacy. But, you have = to adjust the stock inlet area for the air lost to induction air, which = would result in a functionally smaller air inlet devoted to engine cooling. I = mention this for the sake of discussion, although I don’t believe this is = the case.

I appreciate the correction, however, on the use of = ADI fluid and the spray bars.

Fortunately for all of us, there is almost always = more than one way to accomplish any particular engineering goal. Each method has = it plusses and minuses resulting in one solution out of a series of various compromises. I am not condemning the use of plenums any more than I am = saying that George has the “only” solution to engine cooling. = However, from the data I have seen so far, and to the extent of my engineering = knowledge (which is rather limited, as I am not an engineer), I believe that most = plenums represent a suboptimal solution to the many compromises inherent in = cooling these beasts. On the other hand, I still think they look way cool and I = remain very intrigued about their design and = implementation.

Lynn, is this your cowling? http://www.lan= cair-builders.com/photopost/showphoto.php?photo=3D32&password=3D&= sort=3D1&cat=3D504&page=3D1

I like what I can see so far. Do you have any more = pictures of the installation further along?

I hope all these links = worked.

Best Regards,

Mike

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