X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao103.cox.net ([68.230.241.43] verified) by logan.com (CommuniGate Pro SMTP 5.4c2a) with ESMTP id 4833343 for flyrotary@lancaironline.net; Mon, 31 Jan 2011 20:14:59 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.43; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao103.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20110201011424.WEKI27215.fed1rmmtao103.cox.net@fed1rmimpo03.cox.net> for ; Mon, 31 Jan 2011 20:14:24 -0500 Received: from BigAl ([72.199.216.14]) by fed1rmimpo03.cox.net with bizsmtp id 2REE1g00U0KDB3c04RERLT; Mon, 31 Jan 2011 20:14:25 -0500 X-VR-Score: 0.00 X-Authority-Analysis: v=1.1 cv=vWqChlSN17ID9vwy2WxNUKipYCNqDp4HbHlXNc8DAM4= c=1 sm=1 a=Nq2H4h34vgUA:10 a=TPvrVRyicAsl4VeEYn0L5g==:17 a=ipIXUK8u83Q3Ssf5F-EA:9 a=QkPf5ySqk8aRT5caM_8A:7 a=h-xf6cjz8-VmAVGRmxdhBQWdzqoA:4 a=CjuIK1q_8ugA:10 a=f7olm-3f_OFWRZpYJHYA:9 a=B-EkRDCsDpuVOTfzWh0A:7 a=SJv9R6w3HyciV3_LD_JZ5Ju1NdcA:4 a=TPvrVRyicAsl4VeEYn0L5g==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Al Tubing in fuel line... Date: Mon, 31 Jan 2011 17:16:18 -0800 Message-ID: <1F9B39D2139F47048DE190B5EC524C8C@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01CBC16A.99264F70" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6863 In-Reply-To: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 Thread-Index: AcvBoNOmp6SV085pRU2CtCDsaO4ZPgAC5lGw This is a multi-part message in MIME format. ------=_NextPart_000_001F_01CBC16A.99264F70 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Is anybody running aluminum tubing in the fuel system after the EFI pumps? I am replacing the small filters with a large canister filter and I don't have much room, it appears that it would be easier to route some al tubing than try and get flex Aeroquip hose in there. I would have two sections of tubing about a foot long if I used that system. Yes - and why not? I have only short lengths between pumps and filter mounted on the firewall. The only concern is vibration of the line that might lead to work hardening/fatigue; so line supported to structural members are fine. Don't use where one end is fastened to something subject to vibration; like anything near one of those Lycomings. Al ------=_NextPart_000_001F_01CBC16A.99264F70 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Is anybody = running aluminum tubing in the fuel system after the EFI pumps?  I am = replacing the small filters with a large canister filter and I don’t have = much room,  it appears that it would be easier to route some al tubing = than try and get flex Aeroquip hose in there.  I would have two sections of = tubing about a foot long if I used that system.

 

Yes – and why not? I have = only short lengths between pumps and filter mounted on the firewall.  The only concern is vibration of the line that might lead to work = hardening/fatigue; so line supported to structural members are fine.  Don’t use = where one end is fastened to something subject to vibration; like anything near = one of those Lycomings.

Al

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