X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Sat, 23 Sep 2006 22:03:58 -0400 Message-ID: X-Original-Return-Path: Received: from alnrmhc11.comcast.net ([204.127.225.91] verified) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1416926 for lml@lancaironline.net; Sat, 23 Sep 2006 13:02:53 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.225.91; envelope-from=rbelshe@comcast.net Received: from desk (c-71-202-81-200.hsd1.ca.comcast.net[71.202.81.200]) by comcast.net (alnrmhc11) with SMTP id <20060923170152b11008ea3ke>; Sat, 23 Sep 2006 17:02:12 +0000 From: "Bob B." X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: Boost pump switching X-Original-Date: Sat, 23 Sep 2006 10:01:51 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001B_01C6DEF7.56B37E10" X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Thread-Index: AcbfGmrDEHlTA2plQfmJ9GXYdzIOZgAFcYOA In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 X-Original-Message-ID: This is a multi-part message in MIME format. ------=_NextPart_000_001B_01C6DEF7.56B37E10 Content-Type: text/plain; charset="windows-1250" Content-Transfer-Encoding: 7bit Here is a 4 page article that explains a lot about the TCM fuel system. It is NOT like the Lycoming at all. A quote from the article... "The TCM System varies greatly from its Lycoming counterpart, the Bendix Fuel Servo. Perhaps most noticeable is the absence of a venturi to schedule fuel flow proportionate to air flow. The Bendix system regulates fuel flow by means of a delta pressure across an air diaphragm. Comparatively, the Continental System has no way to sense airflow. It does not compensate for altitude or density changes, nor does it correct for MAP unless turbocharged. " HYPERLINK "http://www.kellyaerospace.com/articles/ContinuousFlow.pdf#search=%22io550%2 0fuel%20pump%22"http://www.kellyaerospace.com/articles/ContinuousFlow.pdf#se arch=%22io550%20fuel%20pump%22 Bob Belshe Moraga, CA Lancair 235/320 HYPERLINK "http://home.comcast.net/~rbelshe/"http://home.comcast.net/~rbelshe/ . -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.405 / Virus Database: 268.12.8/455 - Release Date: 9/22/2006 ------=_NextPart_000_001B_01C6DEF7.56B37E10 Content-Type: text/html; charset="windows-1250" Content-Transfer-Encoding: quoted-printable

Here is a 4=20 page article that explains a lot about the TCM fuel system.  It is = NOT like=20 the Lycoming at all. 

A quote=20 from the article...

"The TCM System varies greatly from its Lycoming counterpart, the Bendix Fuel = Servo.  Perhaps most = noticeable is=20 the absence of a venturi to = schedule fuel=20 flow proportionate to air = flow. The=20 Bendix  system regulates = fuel flow by means of a delta pressure = across an=20 air diaphragm. Comparatively,=20 the  Continental System has no way to sense airflow. = It=20 does not compensate for altitude = or=20 density changes, nor does it = correct for=20 MAP unless turbocharged. "

http://www.kellyaerospace.com/articles/ContinuousFlow.pdf#search= =3D%22io550%20fuel%20pump%22

 

Bob Belshe
Moraga, = CA
Lancair=20 235/320  
http://home.comcast.net/~rbelshe/

.


 

--
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.405 / Virus Database: 268.12.8/455 - Release Date: = 9/22/2006

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