X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 14 Jul 2010 13:37:18 -0400 Message-ID: X-Original-Return-Path: Received: from smtp105.prem.mail.ac4.yahoo.com ([76.13.13.44] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with SMTP id 4392442 for lml@lancaironline.net; Wed, 14 Jul 2010 07:19:11 -0400 Received-SPF: none receiver=logan.com; client-ip=76.13.13.44; envelope-from=pierrebogacz@yahoo.com Received: (qmail 10437 invoked from network); 14 Jul 2010 11:18:35 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Mailer:Thread-Index:Content-Language; b=fvvxRnmrgIuwVayTj++jd2BEsgv+sqFMPiCGovFQe+/bxKdEUFiPpsUw4j6G8nKjdmU1GYM23s1gpGcaRuZzGPHABOSPtEyLR2jYs5UqzzsiMckmei9iXuHmybpiLZqxi8rY8cW5tAl8L3Qt9SBFysry7Q87Kevwsp+r/B7wPKs= ; Received: from SERVER (pierrebogacz@173.65.15.246 with login) by smtp105.prem.mail.ac4.yahoo.com with SMTP; 14 Jul 2010 04:18:34 -0700 PDT X-Yahoo-SMTP: Fuwa4xWswBAy1Nwx0EeCvlftOeUmV3bTHQ-- X-YMail-OSG: QENZWRYVM1m_VlTuMFylAl3kJLWKAygtCk3jjdk_qgr1xKj U7AmlVDtuxnlwTomm9xkfE6JVxlgs_Sk_.MkqLyDFMdieWHPWAd3CwGLPoAx b6L2HnHKlorfra3BSn9LdSiJpVut3h8dDoXd05_Cbwb8h8ciqEVA2U_1etzg 7C1RKJCLFmNCgxZNyKa7vEFqIvuMbBODlur3fZoJ88hnD35B6fd9ZDnrjiwT xDGia14MuDtE2MPXTGdftRVA.fNYlyEEZh64M7GsCpQz6SrojHJo1IPA- X-Yahoo-Newman-Property: ymail-3 From: "Pierre Bogacz" X-Original-To: Subject: LNC4 - turbo temp spread in LOP cruise X-Original-Date: Wed, 14 Jul 2010 07:18:30 -0400 X-Original-Message-ID: <006f01cb2346$49fad7d0$ddf08770$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0070_01CB2324.C2E937D0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcsjRkmUyNXq5s3QRru6caMngn/CHA== Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_0070_01CB2324.C2E937D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit My LNC4 has a GAMI-equipped TSIO-550E showing a 50F temp difference between left TIT and right TIT probes when cruising LOP and I am trying to determine if this is normal and how to go about leaning. On the ramp at 1,100 RPM, T2 is 100F higher than T1. At ROP cruise , TITs are within 10F. Which TIT should I use to set fuel flow for LOP cruise? If I set to keep T2 at 1600F, T1 reads 1550F, which seems too low/high, respectively for extended cross country legs. Other settings: 2450 RPM, 29.5" MP, 16.8GPH, EGT1-5 are 1540-1560F, EGT6 is 1500F. Less than 150 hours since top end, new TIT probes, GAMI lean test showed all cylinders peak within 0.2GPH of each other at around 18.2GPH. The turbos have about 1,000 hrs since rebuild, some minor impeller digestion damage but making good boost. Any suggestions or advice would be greatly appreciated. Pierre Bogacz LIV N462WW ------=_NextPart_000_0070_01CB2324.C2E937D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

My LNC4 has a GAMI-equipped TSIO-550E showing a 50F = temp difference between left TIT and right TIT probes when cruising LOP and I = am trying to determine if this is normal and how to go about leaning. =

 

On the ramp at 1,100 RPM, T2 is 100F higher than = T1. At ROP cruise , TITs are within 10F.

 

Which TIT should I use to set fuel flow for LOP = cruise? If I set to keep T2 at 1600F, T1 reads 1550F, which seems too low/high, = respectively for extended cross country legs.

 

Other settings: 2450 RPM, 29.5” MP, 16.8GPH, = EGT1-5 are 1540-1560F, EGT6 is 1500F. Less than 150 hours since top end, new TIT = probes, GAMI lean test showed all cylinders peak within 0.2GPH of each other at = around 18.2GPH. The turbos have about 1,000 hrs since rebuild, some minor impeller = digestion damage but making good boost.

 

Any suggestions or advice would be greatly = appreciated.

 

Pierre Bogacz

LIV N462WW

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