X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 971203 for flyrotary@lancaironline.net; Sun, 05 Feb 2006 17:18:34 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-01-eri0.southeast.rr.com (8.13.4/8.13.4) with SMTP id k15MHmTn004681 for ; Sun, 5 Feb 2006 17:17:49 -0500 (EST) Message-ID: <001901c62aa1$ff2390e0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Fuel Check Valves needed?? Date: Sun, 5 Feb 2006 17:17:48 -0500 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine Tracy's pumps have check values. I would not add additional ones Ed ----- Original Message ----- From: "Bill Bradburry" To: "Rotary motors in aircraft" Sent: Sunday, February 05, 2006 5:18 PM Subject: [FlyRotary] Fuel Check Valves needed?? >I have been discussing with Buly the need for check valves in the fuel > line after the pumps if you are using dual pumps. > Assume two of Tracy's pumps used either/or. If no check valve, would > the pressure go backward through the other pump and back into the tank? > > What say ye? Should there be a check valve after each pump? > > Bill Bradburry > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >