Return-Path: Received: from out002.verizon.net ([206.46.170.141] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 351206 for flyrotary@lancaironline.net; Tue, 03 Aug 2004 21:17:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.170.141; envelope-from=finn.lassen@verizon.net Received: from verizon.net ([4.12.145.173]) by out002.verizon.net (InterMail vM.5.01.06.06 201-253-122-130-106-20030910) with ESMTP id <20040804011706.SCWW24402.out002.verizon.net@verizon.net> for ; Tue, 3 Aug 2004 20:17:06 -0500 Message-ID: <4110390C.3030104@verizon.net> Date: Tue, 03 Aug 2004 21:17:00 -0400 From: Finn Lassen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax; PROMO) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: EFI Pumps References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------070104050702070509010809" X-Authentication-Info: Submitted using SMTP AUTH at out002.verizon.net from [4.12.145.173] at Tue, 3 Aug 2004 20:17:06 -0500 This is a multi-part message in MIME format. --------------070104050702070509010809 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Bulent Aliev wrote: > You just want me to spend more money that I don't have :). All my fuel > filters and fuel pumps are below tank level, so there is not much > suction, but gravity fed. Have you seen Finn's fuel lines? He is my hero. > Bulent I know you're kidding, but my polyurethane tubing has been holding up well. About 5 years. However, I would not use them in a high-pressure fuel system (well, maybe I would...). Also, I just found the source of my fuel pressure problem this last weekend. After a bit of a crosscountry I noticed an oilstreak along the left side of the airplane. Couldn't find an oil leak, but noticed a few drops under the airbox. Probed around a bit further and found that one of the fuel lines near the firewall had what looked like cracks in it. Replaced the fuel line and fuel pressure back to normal at altitude. Best theory is that at sea level the surrounding pressure was enough to keep the hose intact, but at altitude it would start leaking enough to drop pressure. Yes, yes, Ed. I know, you told me so. Finn --------------070104050702070509010809 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Bulent Aliev wrote:
Re: [FlyRotary] Re: EFI Pumps You just want me to spend more money that I don’t have :). All my fuel filters and fuel pumps are below tank level, so there is not much suction, but gravity fed. Have you seen Finn’s fuel lines? He is my hero.
Bulent
I know you're kidding, but my polyurethane tubing has been holding up well. About 5 years.
However, I would not use them in a high-pressure fuel system (well, maybe I would...).
Also, I just found the source of my fuel pressure problem this last weekend. After a bit of a crosscountry I noticed an oilstreak along the left side of the airplane. Couldn't find an oil leak, but noticed a few drops under the airbox. Probed around a bit further and found that one of the fuel lines near the firewall had what looked like cracks in it.
Replaced the fuel line and fuel pressure back to normal at altitude. Best theory is that at sea level the surrounding pressure was enough to keep the hose intact, but at altitude it would start leaking enough to drop pressure.

Yes, yes, Ed. I know, you told me so.

Finn
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