Return-Path: Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 767355 for flyrotary@lancaironline.net; Wed, 02 Mar 2005 17:58:39 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=sqpilot@bellsouth.net Received: from [209.214.45.223] by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050302225753.NOZY2296.imf21aec.mail.bellsouth.net@[209.214.45.223]> for ; Wed, 2 Mar 2005 17:57:53 -0500 Received: from 127.0.0.1 (AVG SMTP 7.0.300 [266.5.2]); Wed, 02 Mar 2005 16:57:47 -0600 Message-ID: <005901c51f7b$3f7b2280$df2dd6d1@paul52u7f5qyav> From: "Paul" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] fuel cutoff valve necessary? Date: Wed, 2 Mar 2005 16:57:45 -0600 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit 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 I found my fuel cutoff valve handy when I was reworking my sump tank, then when I re-routed and put firesleeve over my fuel lines, and when inspecting/cleaning fuel filters,etc. It is nice to be able to shut the fuel off anytime you want to work downstream on your fuel system...It is also nice to have in an emergency (fire, off field landing, etc). Also, my DAR said he wanted to see a fuel cutoff. Paul Conner ----- Original Message ----- From: "Ernest Christley" To: "Rotary motors in aircraft" Sent: Wednesday, March 02, 2005 3:52 PM Subject: [FlyRotary] fuel cutoff valve necessary? > This really doesn't apply to planes with multiple tanks, as the fuel > shutoff generally does double duty as a selector. But I have only one > tank, so the cutoff valve is really only useful in case of an engine fire > or in preperation of an emergency landing. > > With a fuel pump that blocks flow when it isn't running, what useful > purpose does the cutoff valve serve beyond increasing pilot workload? > Won't cutting power to the fuel pump provide the same service and > eliminate several failure modes? > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.300 / Virus Database: 266.5.2 - Release Date: 2/28/2005 > >