X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Wed, 13 Sep 2006 17:33:00 -0400 Message-ID: X-Original-Return-Path: Received: from smtp107.sbc.mail.mud.yahoo.com ([68.142.198.206] verified) by logan.com (CommuniGate Pro SMTP 5.1c.4) with SMTP id 1401310 for lml@lancaironline.net; Wed, 13 Sep 2006 12:16:52 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.206; envelope-from=n98pb@sbcglobal.net Received: (qmail 55732 invoked from network); 13 Sep 2006 16:16:12 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:Importance:In-Reply-To:X-MimeOLE; b=3teDh69zAz8NJ4yR9Cg6e4XOf3eW9hH2ljN8bdVXFE65PvCAyWA8QeseKDegNIDxl4OAYndne/1xdJEJfQf+pu9CvPJ2ovn6gLh8VDBfpN5KZoj6w4uUbAP3DehDKMHbLaFyRSNj10YgX8o9K0VjiOw5tln1j1k57h2CXD/sfnE= ; Received: from unknown (HELO Sam) (n98pb@sbcglobal.net@75.19.46.158 with login) by smtp107.sbc.mail.mud.yahoo.com with SMTP; 13 Sep 2006 16:16:11 -0000 From: X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: Backfires LOP X-Original-Date: Wed, 13 Sep 2006 09:16:12 -0700 X-Original-Message-ID: <000001c6d74f$ee9b4820$0201a8c0@Sam> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C6D715.423C7020" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C6D715.423C7020 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Walter I see this issue frequently with the Slick Mags after about 4-500 hours. = I had my mags rebuilt and the problem was gone for about 100 hours and is = now back. I am contemplating going to Bendix mags to see if that won't cure = the problem. Your thoughts would be appreciated. This always occurs LOP, = never on the full fuel climb. =20 Pat Brunner LNC4/670 hours =20 -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Walter Atkinson Sent: Wednesday, September 13, 2006 6:15 AM To: Lancair Mailing List Subject: [LML] Re: Backfires LOP =20 You don't tell us how far LOP 1590dF put him, but I'm guessing that he simply was so far LOP that as soon as the rain messed up the F:A ratios, = he had a cylinder or two not fire on one stroke. The result was a light = off of the fuel in the hot exhaust. (it wasn't a backfire, it was an = afterfire.) =20 Walter =20 =20 =20 On Sep 12, 2006, at 5:55 PM, phil s wrote: =20 =20 Anyone had experience with this? Pilot flying our IVP (TSIO550E3B with 4 blade MT) and reports: "Had backfires(?) couple of nights back. Was running lean of peak with =20 temps 1590 at FL150, around -15C, light rain, 29Hg 2500rpm . Happened twice so went rich of peak for remainder of flight with no =20 problems. Any reason come to mind?" Be grateful for any thoughts Phil Sexton Melbourne =20 ------=_NextPart_000_0001_01C6D715.423C7020 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Walter

I see this issue frequently with = the Slick Mags after about 4-500 hours.  I had my mags rebuilt and the = problem was gone for about 100 hours and is now back.  I am contemplating going = to Bendix mags to see if that won’t cure the problem.  Your thoughts = would be appreciated.  This always occurs LOP, never on the full fuel = climb.

 

Pat Brunner

LNC4/670 hours

 

-----Original = Message-----
From: Lancair Mailing = List [mailto:lml@lancaironline.net] On = Behalf Of Walter Atkinson
Sent: Wednesday, September 13, 2006 6:15 AM
To: Lancair Mailing = List
Subject: [LML] Re: = Backfires LOP

 

You don't tell us how far LOP 1590dF put him, = but I'm guessing that he simply was so far LOP that as soon as the rain messed = up the F:A ratios, he had a cylinder or two not fire on one stroke.  The = result was a light off of the fuel in the hot exhaust.  (it wasn't a = backfire, it was an afterfire.)

 

Walter

 

 

 

On Sep 12, 2006, at 5:55 PM, phil s = wrote:

 

 


Anyone had experience with this?
Pilot flying our IVP (TSIO550E3B with 4 blade MT) and reports:
"Had backfires(?) couple of nights back. Was running lean of peak = with  
temps 1590 at FL150, around -15C, light rain,  29Hg 2500rpm .
Happened twice so went rich of peak for remainder of flight with no =  
problems. Any reason come to mind?"
Be grateful for any thoughts

Phil Sexton
Melbourne

 

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