X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 29 May 2012 11:09:08 -0400 Message-ID: X-Original-Return-Path: Received: from mail-lpp01m010-f52.google.com ([209.85.215.52] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTPS id 5564190 for lml@lancaironline.net; Mon, 28 May 2012 13:47:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.52; envelope-from=billhogarty@gmail.com Received: by lahj13 with SMTP id j13so1816747lah.25 for ; Mon, 28 May 2012 10:46:54 -0700 (PDT) MIME-Version: 1.0 Received: by 10.152.104.77 with SMTP id gc13mr9072183lab.31.1338227213978; Mon, 28 May 2012 10:46:53 -0700 (PDT) Received: by 10.112.59.101 with HTTP; Mon, 28 May 2012 10:46:53 -0700 (PDT) In-Reply-To: References: X-Original-Date: Mon, 28 May 2012 10:46:53 -0700 X-Original-Message-ID: Subject: Re: [LML] Re: hot #2 Cyl TSIO 550 revisit From: "William A. Hogarty" X-Original-To: Lancair Mailing List Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Pete: Can you get us a photo? Regards, Bill H. On Mon, May 28, 2012 at 10:17 AM, pete@leapfrogventures.com wrote: > John, > > > > #2 was also my hottest cylinder.=A0 First I installed the concave insert = that > was listed in one of the on-line articles that allows the air to flow aro= und > the shallow fins on the oil cooler side of #2 (is that what you are calli= ng > the =93hat box=94?).=A0 However, even with the concave insert, #2 was sti= ll my > hottest.=A0 At that point I remembered that my engine, which I got from a > salvage of Adam aircraft inventory, came with a piece of baffling for the > oil box that had a scoop installed inside the oil box that directed air > around to the lower right side of the cylinder.=A0 The scoop was =BE=94 d= eep at > the top and flush at the bottom, and about 3=94 wide (the width of the lo= ng > fins on the cylinder).=A0 I moved this scoop from the discarded Adam baff= ling > piece onto the Lancair oil box (the hole was nearly the same size as the > previous concave shaped part I had installed before).=A0 Not only did thi= s > solve my #2 CHT problem (it is now one of my coolest cylinders), but it d= id > not noticeably affect oil temps.=A0 A win-win. > > > > Pete > > > > From: John Barrett [mailto:jbarrett@carbinge.com] > Sent: Saturday, May 26, 2012 12:35 PM > To: lml@lancaironline.net > Subject: hot #2 Cyl TSIO 550 revisit > > > > Hello all, > > > > In April I asked some questions about this issue of =A0managing the cooli= ng > flow for #2 cylinder and there was a prolific and enlightening response t= hat > helped a lot.=A0 The most common piece of advice was to build what was te= rmed > a =93hat box=94 in the forward wall of the oil cooler box to allow more a= ir > around the back and bottom of this cylinder. > > > > Someone posted a photo of that fix and it was excellent.=A0 Now I=92m rea= dy to > go to work on this project and I=92ve searched my data bases in different > computers for that photo for a couple of hours to no avail.=A0 I=92m hopi= ng that > whoever was kind enough to post that picture will resend. > > > > Thanks in advance. > > > > Regards, > > > > John Barrett, CEO > > Leading Edge Composites > > PO Box 428 > > Port Hadlock, WA 98339 > > > > www.carbinge.com > >