X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 05 Jan 2010 13:13:49 -0500 Message-ID: X-Original-Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.123] verified) by logan.com (CommuniGate Pro SMTP 5.3.0) with ESMTP id 4065272 for lml@lancaironline.net; Tue, 05 Jan 2010 12:20:35 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.123; envelope-from=super_chipmunk@roadrunner.com X-Original-Return-Path: X-Authority-Analysis: v=1.0 c=1 a=uLobrxjQSOAA:10 a=RV_tudsEVj5I1GU5oR0A:9 a=mG92sBtXI0F87_0eYVv8hDD_JWAA:4 a=bVgv2h7N4t5rPNA6:21 a=R154q7mYn8gnbWxu:21 a=utCimVnZ-WzAlkm3piUA:9 a=SJgzKzfSAkRmtzLNBxUA:7 a=sKifCvX-6bBfMfQJ6bQ4lENUc00A:4 X-Cloudmark-Score: 0 X-Originating-IP: 74.75.176.139 Received: from [74.75.176.139] ([74.75.176.139:57742] helo=Laptop) by cdptpa-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id F6/68-07778-FB4734B4; Tue, 05 Jan 2010 17:19:59 +0000 X-Original-Message-ID: <0BC8135AE3984299A5FCFBC77B0C1F0A@Laptop> From: "Bill Wade" X-Original-To: "Lancair Mailing List" References: In-Reply-To: Subject: Re: [LML] Re: Fuel Planning- fuel flow X-Original-Date: Tue, 5 Jan 2010 12:20:01 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_03FD_01CA8E01.673F65C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18005 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 This is a multi-part message in MIME format. ------=_NextPart_000_03FD_01CA8E01.673F65C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable In the Navion I have pretty accurate analog fuel gauges and also an EI = fuel flow meter. The meter has proved to be very accurate. If there's a = discrepancy I figure it's due to varying tilt when fueling. Just the same, I don't trust it or the gauges. The fuel flow won't = show you if a sump drain or any part of the fuel system starts to leak. = I'm constantly thinking about fuel levels and cross-checking between the = gauges and the totalizer. If I switch to tip tanks I time each one as = well because the excess fuel is returned to the main tank. If a needle = seems to drop too quickly compared to what I expect I get very focused. = When switching I set the fuel flow on pressure indication- a drop = provides enough warning to switch back quickly if there's air in the = line. -Bill Wade ------=_NextPart_000_03FD_01CA8E01.673F65C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
  In the Navion I have pretty accurate analog fuel gauges and = also an=20 EI fuel flow meter. The meter has proved to be very accurate. If = there's a=20 discrepancy I figure it's due to varying = tilt when=20 fueling.
 
  Just the same, I don't = trust it or=20 the gauges. The fuel flow won't show you if a sump drain or any part of = the fuel=20 system starts to leak. I'm constantly thinking about fuel levels and=20 cross-checking between the gauges and the totalizer. If I switch to tip = tanks I=20 time each one as well because the excess fuel is returned to the main = tank. If a=20 needle seems to drop too quickly compared to what I expect I get very = focused.=20 When switching I set the fuel flow on pressure indication- a=20 drop provides enough warning to switch back quickly if there's = air in=20 the line.    -Bill Wade
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