X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 20 Apr 2010 15:17:08 -0400 Message-ID: X-Original-Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.124] verified) by logan.com (CommuniGate Pro SMTP 5.3.5) with ESMTP id 4227974 for lml@lancaironline.net; Tue, 20 Apr 2010 12:07:25 -0400 Received-SPF: none receiver=logan.com; client-ip=71.74.56.124; envelope-from=Wolfgang@MiCom.net X-Original-Return-Path: X-Authority-Analysis: v=1.1 cv=4zru/oO1PQpEm2SyzJWQB8cs3WBzsLhxb1x/U/RGpxE= c=1 sm=0 a=MHZY6FYWMEQOp7S43i2QIw==:17 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=pRsJAdn94YXjdLk-uxwA:9 a=672S10hSecxpeiidF5MA:7 a=OLQ2k3f4XrEZfVQe4j6iQZ6TCR8A:4 a=wPNLvfGTeEIA:10 a=MSl-tDqOz04A:10 a=EzXvWhQp4_cA:10 a=OHAiqnbVLBtYndAzqCkA:9 a=AYCGWrP7mup8uwSnSq4A:7 a=fajTrs9ClKHCunVc0qAx2CPAf3EA:4 a=MHZY6FYWMEQOp7S43i2QIw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.218.201.50 Received: from [74.218.201.50] ([74.218.201.50:2448] helo=Lobo) by hrndva-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id C0/EB-17693-811DDCB4; Tue, 20 Apr 2010 16:06:48 +0000 X-Original-Message-ID: <000b01cae0a3$7a894cf0$6401a8c0@Lobo> From: "Wolfgang" X-Original-To: Subject: Re [LML]: Fuel Pressure Setup X-Original-Date: Tue, 20 Apr 2010 12:06:46 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01CAE081.F33E7480" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0008_01CAE081.F33E7480 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable In the original post from Dennis, I don't recall a specific question but = he did have some nice photos of his engine compartment. As for which would be better, metered or unmetered, I would say the = metered fuel pressure is more informative and has a direct corelation to = fuel flow because pressure through a fixed resistance (tubing and = injectors) equates to flow. Wolfgang -------------------------------------------------------------------------= ------- From: Dan Ballin =20 Sender: =20 Subject: Re: [LML] Re: Fuel Pressure Setup=20 Date: Mon, 19 Apr 2010 16:38:33 -0400=20 To: lml@lancaironline.net=20 =20 =20 While I think this is all good information, the original question = Jon had and I have is how to monitor fuel pressure. The setup = procedure using SID97 is a different issue. I think the more interesting question is does one monitor metered or unmetered fuel pressure in = the cockpit. It seems that TCM and at least Coumbia (Cessna) recommend/use metered and that Lancair generally sets up their aircraft to use unmetered. I haven't gotten a good answer as to = why and what the advantages and disadvanages are. Obviously the = values are different, but they are measuring essentially the same thing. Can anyone comment on what advantage/disadvantage there is to = using a metered vs unmetered source for you fuel pressure measurement = while flying. Dan Ballin LEG2 #286=20 ------=_NextPart_000_0008_01CAE081.F33E7480 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
In the original post from Dennis, I = don't recall a=20 specific question but he did have some nice photos of his engine=20 compartment.
 
As for which would be better, metered = or=20 unmetered, I would say the metered fuel pressure is more = informative and=20 has a direct corelation to fuel flow because pressure through a fixed = resistance=20 (tubing and injectors) equates to flow.
 
Wolfgang
lml@lancaironline.net
From: Dan Ballin=20 <dballin@gmail.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Re: Fuel Pressure=20 Setup
Date: Mon, 19 Apr 2010 16:38:33 = -0400
To:
While I think this is all good = information, the=20 original question Jon
had and I have is how to monitor fuel = pressure.=20  The setup procedure
using SID97 is a different issue. =  I=20 think the more interesting
question is does one monitor metered = or=20 unmetered fuel pressure in the
cockpit.  It seems that TCM = and at=20 least Coumbia (Cessna)
recommend/use metered and that Lancair = generally=20 sets up their
aircraft to use unmetered.  I haven't gotten = a good=20 answer as to why
and what the advantages and disadvanages are.=20  Obviously the values
are different, but they are = measuring=20 essentially the same thing.

Can anyone comment on what=20 advantage/disadvantage there is to using a
metered vs unmetered = source=20 for you fuel pressure measurement while
flying.

Dan=20 Ballin
LEG2 = #286
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