X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from relais.videotron.ca ([24.201.245.36] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2191911 for flyrotary@lancaironline.net; Sat, 21 Jul 2007 20:22:35 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.201.245.36; envelope-from=geryvon@videotron.ca Received: from AMDSEMPRON2400 ([66.130.108.152]) by VL-MO-MR001.ip.videotron.ca (Sun Java System Messaging Server 6.2-2.05 (built Apr 28 2005)) with SMTP id <0JLK00KDM10MCW20@VL-MO-MR001.ip.videotron.ca> for flyrotary@lancaironline.net; Sat, 21 Jul 2007 20:21:58 -0400 (EDT) Date: Sat, 21 Jul 2007 20:21:21 -0400 From: Yvon Cournoyer Subject: Re: FUEL SYSTEM PRESSURE To: Rotary motors in aircraft , Rotary Engine Reply-to: Yvon Cournoyer Message-id: <002e01c7cbf6$508a4220$6400a8c0@AMDSEMPRON2400> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-Mailer: Microsoft Outlook Express 6.00.2900.3138 Content-type: text/plain; format=flowed; charset=iso-8859-1; reply-type=response Content-transfer-encoding: 7BIT X-Priority: 3 X-MSMail-priority: Normal References: <46A05844.3000400@earthlink.net> ----- Original Message ----- From: "Rotary Engine" To: "AARotary Engine" Sent: Friday, July 20, 2007 2:37 AM Subject: FUEL SYSTEM PRESSURE (snip) > Not really, the pressure regulator will keep the fuel pressure > constant > right up until the pump can no longer supply enough fuel for the > engine, and > by then it is too late. Once the fuel pressure starts to drop, the > return > flow had already hit zero and your power will already be limited at > best, > and the pump is in its final hour. Still, with a second pump it > usually > would not be a big deal. Allo David, may I ask that you elaborate on the meaning of this paragraph. What do you mean by ''and by then it is too late''? Too late for what? Also, ''and the pump is in its final hour''. Do you mean that the pump is being damaged? Why should that be? I need to understand and my knowledge of English is insufficient, as well as my understanding of EFI pressure systems. Thank you. Yvon Cournoyer (snip) > -- > David Leonard > > Turbo Rotary RV-6 N4VY > http://N4VY.RotaryRoster.net > http://RotaryRoster.net > > > > The Rotary Engine NewsLetter. Powered by Linux. > ACRE NL web site. http://www.rotaryeng.net > Copyright 1998-2006 All world wide rights reserved. >