Return-Path: Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 544160 for flyrotary@lancaironline.net; Tue, 23 Nov 2004 22:41:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=ceengland@bellsouth.net Received: from [127.0.0.1] ([209.215.61.212]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041124034124.YARV2054.imf21aec.mail.bellsouth.net@[127.0.0.1]> for ; Tue, 23 Nov 2004 22:41:24 -0500 Message-ID: <41A402E2.4070606@bellsouth.net> Date: Tue, 23 Nov 2004 21:41:22 -0600 From: Charlie England User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Bubbles in fuel line from pump - update References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Bulent Aliev wrote: >On 11/23/04 4:27 PM, "Charlie England" wrote: > > > >>Actually, you do have a vacuum pump. Plug your tank vent & run the fuel >>pump in short bursts. Watch the tank skins closely for cupping between >>the ribs & watch the fuel line for bubbles. Try smearing the potential >>leak points on the valve with heavy grease & see if it makes a difference. >> >>Charlie >>(helping Finn avoid spending money) >> >> > > >Charlie, this is not such a good idea. >There is a danger that the duct tape will be sucked inside the tank and >cause bigger problem? >Bulent > > If it's a typical RV style vent, there's a standard A/N flair fitting on the bottom of the wing. Just cap it. In any case, he'd likely collapse the AL tank before he sucked a proper plug through a 1/8" ID line into the tank. The tanks won't withstand more than 2 or 3 lbs psi of pressure or vacuum without damage. Of course, he might be able to achieve the same thing by just greasing up the valve, running up the engine & checking for bubbles.