X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 02 Oct 2011 22:27:03 -0400 Message-ID: X-Original-Return-Path: Received: from raven.ravenwebhosting.com ([72.9.254.67] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTPS id 5143099 for lml@lancaironline.net; Sun, 02 Oct 2011 12:04:44 -0400 Received-SPF: none receiver=logan.com; client-ip=72.9.254.67; envelope-from=paul@tbm700.com Received: from s01060017ee00b6c0.cg.shawcable.net ([174.0.115.173]:61387 helo=[192.168.15.6]) by raven.ravenwebhosting.com with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.69) (envelope-from ) id 1RAOWO-0003rK-92 for lml@lancaironline.net; Sun, 02 Oct 2011 12:04:08 -0400 From: paul miller Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-27--38175478 Subject: Re: [LML] Re: Fuel injector cleaning X-Original-Date: Sun, 2 Oct 2011 10:04:00 -0600 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <298BCBB0-4DC7-44E4-926E-F36AE9167E65@tbm700.com> X-Mailer: Apple Mail (2.1084) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - raven.ravenwebhosting.com X-AntiAbuse: Original Domain - lancaironline.net X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tbm700.com X-Source: X-Source-Args: X-Source-Dir: --Apple-Mail-27--38175478 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Following up on this thread. Youtube video linked here. I performed = a couple of inflight LOP mag check per Walter's comment on my last trip = Dallas to Calgary. Switching left and right caused the EGTS to rise = nicely across the board and no misfiring occurred. I was pleasantly = surprised. I did take a video of the symptoms, perhaps someone could = provide further thoughts on why the EGTS bounce around. Avidyne MFD, = LOP operations, IO-550N Legacy 500 hours now, sometimes the #1 and #5 go = completely offscale (still bouncing) rendering the leaning process tough = to accomplish. They settle down after some time in flight but this = bouncing continues 100% of time. TIA, Paul, Calgary. On 2011-08-24, at 12:36 PM, Walter Atkinson wrote: > I'm going to bet the mags need overhauling. There is no better = ignition test than a high power, inflight, LOP mag check. None. >=20 > Walter >=20 >=20 > On Aug 23, 2011, at 9:51 AM, paul miller wrote: >=20 > 470 hours SNEW on mags and plugs. I did get #5 & #1 going offscale = last trip but that is normally corrected by tightening the connectors on = that side of the engine. The EGT wires use a friction connector. So, = the inflight mag check is the best initial diagnostic? Thanks for the = idea, >=20 > Paul > Legacy, Calgary >=20 > On 2011-08-23, at 6:01 AM, Walter Atkinson wrote: >=20 >> How many hours on the mags? >>=20 >> Plugs? >>=20 >> Sounds like a mag.... >>=20 >> Walter >>=20 >>=20 >>=20 >> On Aug 22, 2011, at 5:18 PM, paul miller wrote: >>=20 >> Follow-up. EGTs bouncing all over.... --Apple-Mail-27--38175478 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii here.    I performed = a couple of inflight LOP mag check per Walter's comment on my last trip = Dallas to Calgary.   Switching left and right caused the EGTS to = rise nicely across the board and no misfiring occurred. I was pleasantly = surprised.   I did take a video of the symptoms, perhaps someone = could provide further thoughts on why the EGTS bounce around. =  Avidyne MFD, LOP operations, IO-550N Legacy 500 hours now, = sometimes the #1 and #5 go completely offscale (still bouncing) = rendering the leaning process tough to accomplish.  They settle = down after some time in flight but this bouncing continues 100% of time. =  TIA, Paul, Calgary.
On 2011-08-24, at 12:36 PM, = Walter Atkinson wrote:

I'm = going to bet the mags need overhauling.  There is no better = ignition test than a high power, inflight, LOP mag check. =  None.

Walter


On Aug 23, 2011, at 9:51 AM, paul = miller wrote:

470 hours SNEW on mags and plugs.  I did get = #5 & #1 going offscale last trip but that is normally corrected by = tightening the connectors on that side of the engine.  The EGT = wires use a friction connector.  So, the inflight mag check is the = best initial diagnostic?  Thanks for the = idea,

Paul
Legacy, Calgary

On 2011-08-23, at 6:01 AM, = Walter Atkinson wrote:

How many hours = on the mags?

Plugs?

Sounds like a = mag....

Walter



On Aug 22, = 2011, at 5:18 PM, paul miller wrote:

Follow-up. =  EGTs bouncing all = over....

= --Apple-Mail-27--38175478--