Return-Path: Received: from imf19aec.mail.bellsouth.net ([205.152.59.67] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2638979 for flyrotary@lancaironline.net; Thu, 16 Oct 2003 08:18:00 -0400 Received: from TOSHIBAjhr ([209.214.14.69]) by imf19aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with SMTP id <20031016121800.IJNC1828.imf19aec.mail.bellsouth.net@TOSHIBAjhr> for ; Thu, 16 Oct 2003 08:18:00 -0400 From: "John Slade" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Fwd: Fuel systems Date: Thu, 16 Oct 2003 08:17:58 -0400 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" 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) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Joe, > found a good solution. There are a bunch of possible solutions, none of them perfect. > Is there any way to divide the fuel return so it can be > returned to both tanks? The most common solution is probably a double throw valve. Bulent Alieve has a source of fairly inexpensive ones. I installed a solenoid which sends the return to the right tank when off, left when energized. I energize it with the left tank fuel pump switch. This way I have independant fuel supplies, pumps and filters. The solenoid weighs a couple of pounds. See details & pictures in http://kgarden.com/cozy/chap21b.htm search for hydraulics. > One could pump fuel from the right tank to the > fuel rail and the other could transfer fuel from the left tank to the > right tank depending on the fuel flow being pumped from the right > tank? I considered something similar, including the timed facet pump transfer approach, but decided I wanted total redundancy in the fuel system. Regards, John Slade Cozy IV