X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao101.cox.net ([68.230.241.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.4) with ESMTP id 2992634 for flyrotary@lancaironline.net; Thu, 26 Jun 2008 13:33:05 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.45; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao101.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20080626173207.VZQA11775.fed1rmmtao101.cox.net@fed1rmimpo03.cox.net> for ; Thu, 26 Jun 2008 13:32:07 -0400 Received: from BigAl ([72.192.137.74]) by fed1rmimpo03.cox.net with bizsmtp id ihYQ1Z0021cVYgg04hYQwc; Thu, 26 Jun 2008 13:32:24 -0400 From: "Al Gietzen" To: "Rotary motors in aircraft" Subject: Running lean of peak Date: Thu, 26 Jun 2008 10:32:59 -0800 Message-ID: <000001c8d7bb$0f377cd0$6401a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C8D778.01143CD0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C8D778.01143CD0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I'm finding that at about 100F LOP I sense that the engine is starting = to not like it - like it doesn't seem to be entirely smooth; maybe an occasional miss here and there. Am I right that some of you guys run as much as 200 LOP; or is it my imagination - in both cases. =20 Would timing setting have much of anything to do with running LOP? =20 Just past by the 100 hr mark on the engine near the end of a 500 mile = trip on Monday. I plan to leave next Monday on a round trip of over 2000 nm = over the following week. That'll rack up a few hours. =20 Al ------=_NextPart_000_0001_01C8D778.01143CD0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I’m finding that at about 100F LOP I sense = that the engine is starting to not like it – like it doesn’t seem to = be entirely smooth; maybe an occasional miss here and there. Am I = right that some of you guys run as much as 200 LOP; or is it my imagination – = in both cases.

Would timing setting have much of anything to do = with running LOP?

Just past by the 100 hr mark on the engine near the = end of a 500 mile trip on Monday. I plan to leave next Monday on a round = trip of over 2000 nm over the following week. That’ll rack up a few = hours.

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