Return-Path: Received: from relay02.roc.ny.frontiernet.net ([66.133.131.35] verified) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3221449 for flyrotary@lancaironline.net; Sat, 08 May 2004 09:44:05 -0400 Received: (qmail 22695 invoked from network); 8 May 2004 13:43:35 -0000 Received: from 65-73-33-136.bras01.cok.tn.frontiernet.net (HELO frontiernet.net) ([65.73.33.136]) (envelope-sender ) by relay02.roc.ny.frontiernet.net (FrontierMTA 2.3.18) with SMTP for ; 8 May 2004 13:43:35 -0000 Message-ID: <409CE4AE.D9A87511@frontiernet.net> Date: Sat, 08 May 2004 08:46:22 -0500 From: Jim Sower X-Mailer: Mozilla 4.77 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Electric Oil Pump? References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit There is an important rationale for EWP, involving power absorption, efficiency over various speed ranges, reliability, etc. that make EWP superior in so many ways to the system it was designed to replace. Oil pumps are so bullet proof, simple and reliable that I can't come up with a similar argument for an EOP. I am looking for a way in which EOP would constitute an improvement in performance and/or reliability over the current system and coming up empty. Help me out here ... what would be the advantage? ... Jim S. Eric Ruttan wrote: > Having read of the demonstrated the effectivness of an electric water pump > (lighter weight even after a redundant instalation, less power consumed) in > our applications I have a question. > > I can find no discussion or anyone offering a simular product for oil pumps. > > It would seem there is a direct correlation of advantage between the > Electric Water Pump (EWP) and an Electric Oil Pump EOP? > > Have I missed an offering of such a product or did i miss a pitfall? > > To clarify I do not mean "pre oilers". I mean a full time EOP. > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html -- Jim Sower ... Destiny's Plaything Crossville, TN; Chapter 5 Long-EZ N83RT, Velocity N4095T