Return-Path: Received: from [128.83.126.134] (HELO mail.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.1b8) with ESMTP-TLS id 2434373 for flyrotary@lancaironline.net; Wed, 18 Jun 2003 12:21:24 -0400 Received: (qmail 23349 invoked from network); 18 Jun 2003 16:21:22 -0000 Received: from dhcp-191-101.per.utexas.edu (HELO benefits3.mail.utexas.edu) (146.6.191.101) by wb1.mail.utexas.edu with SMTP; 18 Jun 2003 16:21:22 -0000 Message-Id: <5.1.1.5.2.20030618111846.046c52c0@localhost> X-Sender: msteitle@mail.utexas.edu@localhost X-Mailer: QUALCOMM Windows Eudora Version 5.1.1 Date: Wed, 18 Jun 2003 11:21:17 -0500 To: "Rotary motors in aircraft" From: Mark Steitle Subject: Re: [FlyRotary] Re: Fuel Pump Plumbing In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed At 12:08 PM 6/18/2003 -0400, you wrote: >Subject: [FlyRotary] Re: Fuel Pump Plumbing > > > > At 11:05 AM 6/18/2003 -0400, you wrote: > > > > > > > > Tracy, > > > > I could use a little direction on hooking up two RWS electric fuel > > > > pumps. Do you have any pictures you can post showing how you plumbed >your > > > > fuel pumps & filters? Also, what size fittings/lines are on the pumps >(in > > > > & out). Are adapters needed to go from the pump to the filters. You > > > > recommend using EFI filters. What brand & p/n do you use/recommend. > > > > > > > > Thanks, > > > > Mark S. > >Mark, > > Don't know if this helps or not, but these are the standard EFI fuel >pressure I use in my installation. The Saginaw fittings are a bit of a pain >to find at times. The do require an "O" ring for sealing. The good news is >the filters are inexpensive, around $5-$7 and I swap them out every annual >inspection. > >Fuel Filters: OEM Auto Fuel Injector Fuel Filters (Two in Parallel) >Type: AC GF - 481 Pkg: 25056052 OEM:25055129 (or equivalent) >Fittings: 3/8 Saginaw to AN6 Adapter, "O" ring required > > Attached is my firewall mockup of my fuel system. My two (parallel) >fuel pumps draw from a small sump (via separate feed lines) and each feed a >separate EFI fuel filter (wouldn't want on stopped up filter to shut off the >fuel flow). In over 260 hours of engine runs have had no problem with pumps >or filters. I cut the filters open and have yet to find any stuff in them. >I also use a coarse filter between the wing tanks and before the sump, now >that has caught a few flakes of sealant material and debrie from the tanks. > > >Hope this helps > >Ed Anderson > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html Ed, Yes, that helps me a lot. I figured there must be hardware available if I just asked the right questions. The picture of your firewall mockup was helpful too. Thanks, Mark S.