X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 06 Jun 2005 01:36:11 -0400 Message-ID: X-Original-Return-Path: Received: from [216.68.8.175] (HELO smtp2.fuse.net) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 985811 for lml@lancaironline.net; Mon, 06 Jun 2005 00:09:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.68.8.175; envelope-from=dreagan@fuse.net Received: from gx4.fuse.net ([66.161.194.152]) by smtp2.fuse.net (InterMail vM.6.01.04.04 201-2131-118-104-20050224) with ESMTP id <20050606040853.DZUF10827.smtp2.fuse.net@gx4.fuse.net> for ; Mon, 6 Jun 2005 00:08:53 -0400 Received: from DanReagan ([66.161.194.152]) by gx4.fuse.net (InterMail vG.1.02.00.02 201-2136-104-102-20041210) with SMTP id <20050606040853.VVVJ10638.gx4.fuse.net@DanReagan> for ; Mon, 6 Jun 2005 00:08:53 -0400 X-Original-Message-ID: <001a01c56a64$e9c4f480$920ac50a@DanReagan> From: "Dan Reagan" X-Original-To: "lancair" Subject: LNC4 Older Fuel Selector X-Original-Date: Sun, 5 Jun 2005 23:56:46 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0017_01C56A2A.3B656A80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0017_01C56A2A.3B656A80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have one of the older fuel selector valves (prior to Andair). I have = not had any problems with it but I have been told that this valve could = be a potential problem with sucking air from an empty tank when the = selector is on the other tank with fuel. Since I have been in the = Lancair community for only one year, I don't know the complete history. = On my last 3 flights of about 3 hours each, I have had a strange = occurrence. The following is not an exact account but it will make the = point. From take off to the following point, fuel consumption from the = tanks per the gauges was as expected. With 20 gallons in the left tank = and 30 gallons in the right (as read on the Chelton display), I switched = from the left tank to the right tank. The left tank continued to go = down and the right tank increased. At landing I am down to 10 on the = left and at 35 on the right! Can this happen? Upon taxi to the hangar = the gauges read as they should. (20 left and 25 right) Upon adding fuel = it is confirmed that there was 20 in the left and 25 in the right. In the past the fuel gauges have been dead on. I can tell you within 1 = gallon how much it will take to top the tanks off. It would seem that there is just a gauge problem but it sure got my = attention the first time it happened when Bitchin' Betty was screaming = LOW FUEL, and the gauge was blinking red and showing 6 gallons by the = time I could get on the ground! All 3 times it happened there was a = total of 40 to 50 gallons left. Any ideas? Dan Reagan Lancair IVP N10UU fantastically built by Jack Hickham (and Nancy) 160 Hours ------=_NextPart_000_0017_01C56A2A.3B656A80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I have one of the older fuel selector = valves (prior=20 to Andair). I have not had any problems with it but I have been = told that=20 this valve could be a potential problem with sucking air from an empty = tank when=20 the selector is on the other tank with fuel. Since I have been in = the=20 Lancair community for only one year, I don't know the complete = history. =20

On my last 3 flights of about 3 hours = each, I have=20 had a strange occurrence. The following is not an exact account = but it=20 will make the point. From take off to the following point, fuel=20 consumption from the tanks per the gauges was as expected. With 20 = gallons=20 in the left tank and 30 gallons in the right (as read on the Chelton = display), I=20 switched from the left tank to the right tank. The left tank=20 continued to go down and the right tank increased. At landing = I am=20 down to 10 on the left and at 35 on the right! Can this = happen? Upon=20 taxi to the hangar the gauges read as they should. (20 left and 25 = right) =20 Upon adding fuel it is confirmed that there was 20 in the left and 25 in = the=20 right.

In the past the fuel gauges have=20 been dead on. I can tell you within 1 gallon how much it will = take to=20 top the tanks off.

It would seem that there is just a = gauge problem=20 but it sure got my attention the first time it happened when = Bitchin'=20 Betty was screaming LOW FUEL, and the gauge was blinking red and showing = 6=20 gallons by the time I could get on the ground! All 3 times it = happened there was a total of 40 to 50 gallons left.

Any ideas?

Dan Reagan

Lancair IVP N10UU fantastically built = by Jack=20 Hickham (and Nancy)

160 Hours

------=_NextPart_000_0017_01C56A2A.3B656A80--