Return-Path: Received: from [207.30.182.78] (account ) by logan.com (CommuniGate Pro WebUser 4.1b1) with HTTP id 2083565 for ; Sun, 23 Mar 2003 09:22:30 -0500 From: "Marvin Kaye" Subject: Re: [FlyRotary] Sump tank To: flyrotary X-Mailer: CommuniGate Pro WebUser Interface v.4.1b1 Date: Sun, 23 Mar 2003 09:22:30 -0500 Message-ID: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format="flowed" Content-Transfer-Encoding: 8bit Posted for "John Slade" : Hi Paul, The ideal is probably to return to the tank you're drawing from. This can be achieved with an Andair duplex valve. To avoid the extra piping and expense, I choose to use a solenoid valve which flips the return depending on which tank I'm drawing from. Details at http://kgarden.com/cozy/chap21b.htm I'd recommend putting return pipework in the strakes now, before you close them. Rather than simply flox the pipes through the walls I used aluminum flanges from Wicks which allow you to screw the fittings in. This way you could plug the returns if you decide to go with the sump return. Having said that, I put the pipes in after the tanks were sealed, and it was fairly easy to do. Getting a proper seal on the right tank was a whole other story. Regards, John Slade