Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Tue, 25 Mar 2003 17:37:00 -0500 Message-ID: X-Original-Return-Path: Received: from [205.152.58.195] (HELO imf23bis.bellsouth.net) by logan.com (CommuniGate Pro SMTP 4.1b1) with ESMTP id 2085814 for flyrotary@lancaironline.net; Tue, 25 Mar 2003 08:50:13 -0500 Received: from johns ([216.76.208.114]) by imf23bis.bellsouth.net (InterMail vM.5.01.04.25 201-253-122-122-125-20020815) with SMTP id <20030325135215.ZPRE9768.imf23bis.bellsouth.net@johns> for ; Tue, 25 Mar 2003 08:52:15 -0500 From: "John Slade" X-Original-To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: Sump tank X-Original-Date: Tue, 25 Mar 2003 08:50:05 -0500 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-reply-to: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 > Use a double pole switch to control the two fuel pumps. Use the second > pole of the switch to control your fuel return solenoid valve. Then the > system is automatic and always return the fuel to the proper tank -- > the one that is being used at the moment. Thanks, Rino. This is clearly the most simple way to wire it. However, I've found that the ability to transfer fuel is very handy during building and testing, so I've left the solenoid independant and wired a crossfeed warning. I'm not sure that there will be any value in keeping this option when flying. Regards, John Slade