X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 06 Jul 2012 10:50:57 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-banded.atl.sa.earthlink.net ([209.86.89.70] verified) by logan.com (CommuniGate Pro SMTP 5.4.6) with ESMTP id 5640433 for lml@lancaironline.net; Fri, 06 Jul 2012 09:20:52 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.70; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=kk9574RLnNPcf/QlU3YJ9jBmiyrnfojqCE1ERHeNQ8N9o6ZHzW7Q1uZFKmjc1LcB; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [70.16.215.81] (helo=[192.168.1.24]) by elasmtp-banded.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1Sn8SG-0006aV-MV for lml@lancaironline.net; Fri, 06 Jul 2012 09:20:17 -0400 From: Colyn Case Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-471-348879809 Subject: Re: [LML] Re: Fuel Pressure Problems X-Original-Date: Fri, 6 Jul 2012 09:20:16 -0400 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <6BBAC558-51E8-493A-94C7-E7294533BDE4@earthlink.net> X-Mailer: Apple Mail (2.1084) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da9407064db58b6ffb28b73b7bcfe8da3685c350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 70.16.215.81 --Apple-Mail-471-348879809 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 Bob, Did you log that in the "things to look out for" list? Colyn On Jul 6, 2012, at 12:36 AM, Robert R Pastusek wrote: Alan, How about a blockage in the fuel system? I mention this because we just = found a disintegrated fuel flow impeller (a wee tiny thing to start = with) that was blocking the fuel line on a TSIO-550. The owner says the = fuel flow was =93indicating=94 even when the engine would barely run, so = apparently there was enough impeller in the sensor to at least give a = reading, but most of it was down-stream in the fuel system. (the engine = did not run well at all=85) =20 Bob =20 From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Alan Crawford Sent: Thursday, July 05, 2012 3:45 PM To: lml@lancaironline.net Subject: [LML] Fuel Pressure Problems =20 Just started having a change in fuel pressure at cruise. I have a = Legacy ... 550N ... been cruising 40 to 60 degrees lean of peak with no = problem, with fuel pressure above 8.2 psi. Depending on altitude 2500 = rpm - 2300 rpm ... 11.5 to 11.8 gph ... =20 The last few flights I can not get 40 degrees lean of peak at any = altitude without the fuel pressure dropping below 8.0 psi ... even if I = turn on the fuel pump to low =3D 9, 500 - 11,500 - 12,500 ???? =20 any ideas on what is going on???? Takeoff fuel pressure is 28.0 psi .... = =20 =20 Thanks ...=20 Alan Crawford Lake Buchanan, Texas Lancair Legacy=20 =20 =20 Life is NOT a journey to the grave with the intention of arriving safely in a pretty and well preserved body, BUT rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming, "WOW, WHAT A RIDE!!!" --Apple-Mail-471-348879809 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 Bob,

Did you log that in the = "things to look out for" = list?

Colyn

On Jul 6, = 2012, at 12:36 AM, Robert R Pastusek wrote:

Alan,
How about a blockage in the fuel = system? I mention this because we just found a disintegrated fuel flow = impeller (a wee tiny thing to start with) that was blocking the fuel = line on a TSIO-550. The owner says the fuel flow was =93indicating=94 = even when the engine would barely run, so apparently there was enough = impeller in the sensor to at least give a reading, but most of it was = down-stream in the fuel system. (the engine did not run well at = all=85)
From: Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Alan = Crawford
Sent: Thursday, July 05, 2012 = 3:45 PM
To: lml@lancaironline.net
Subj= ect: [LML] Fuel = Pressure Problems
 
Just started having a = change in fuel pressure at cruise.  I have a Legacy ... 550N ... = been cruising 40 to 60 degrees lean of peak with no problem, with fuel = pressure above 8.2 psi. Depending on altitude 2500 rpm - 2300 rpm ... = 11.5 to 11.8 gph ...
 
The last few flights I can not get 40 degrees lean of peak = at any altitude without the fuel pressure dropping below 8.0 psi ... = even if I turn on the fuel pump to low =3D 9, 500 - 11,500 - 12,500 = ????
 
any ideas on what is going on???? Takeoff fuel pressure = is 28.0 psi = ....  
 
Thanks = ... 
Alan = Crawford
Lake Buchanan, = Texas
Lancair = Legacy 
 
 
Life is NOT a journey to the grave with the intention of = arriving safely
  in a pretty and well preserved body, BUT = rather to skid in = broadside,
          = thoroughly used up, totally worn out, and = proclaiming,
         &nbs= p;            =       "WOW, WHAT A = RIDE!!!"

= --Apple-Mail-471-348879809--