Return-Path: Sender: (Marvin Kaye) To: flyrotary@lancaironline.net Date: Mon, 08 Mar 2004 09:29:26 -0500 Message-ID: X-Original-Return-Path: Received: from nibbler.cc.utexas.edu ([146.6.72.194] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3066244 for flyrotary@lancaironline.net; Sat, 06 Mar 2004 06:37:31 -0500 Received: (from www@localhost) by nibbler.cc.utexas.edu (8.9.3p2/8.9.3/cc-webmail.mc-1.6) id FAA20826 for flyrotary@lancaironline.net; Sat, 6 Mar 2004 05:37:30 -0600 (CST) From: msteitle@mail.utexas.edu Received: from dial-70-8.ots.utexas.edu (dial-70-8.ots.utexas.edu [128.83.254.24]) by webmailapp1.cc.utexas.edu (IMP) with HTTP for ; Sat, 6 Mar 2004 05:37:30 -0600 X-Original-Message-ID: <1078573050.4049b7fa906f7@webmailapp1.cc.utexas.edu> X-Original-Date: Sat, 6 Mar 2004 05:37:30 -0600 X-Original-To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Ideal Cooling System Plumbing (was References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit User-Agent: Internet Messaging Program (IMP) 3.2.2 X-Originating-IP: 128.83.254.24 ...or how about a CO detector in the cooling system? Is there a simple CO sensor that could handle the heat? Mark S. Quoting Finn Lassen : > That's a great idea: two level sensors. > One to detect that you are loosing coolant (low coolant level at the > waterpump) and the other to detect blowby (higher than normal level in > the overflow bottle). > > Finn > > Dale Rogers wrote: > > >Jim Sower wrote: > > > > > > > >>>... Blowby from > >>>compression and/or combustion gasses forcing air into the coolant system > ... > >>> > >>> > >>> > > > > > > > >>How long would it take a coolant pressure gauge to pick up on that one?? > >> > >> > >> > > > > That partly depends on how close your cap pressure is to > >the actual operating pressure. It shouldn't take long at > >all for an compression/exhaust leak to raise coolant > >pressure to the cap pressure. So the change in coolant > >pressure should be notable. > > > > An easy sanity check is a variation on Perry Mick's > >method, put a go/no-go "fluid level" detector in the overflow bottle (not > the recovery tank). It should normally > >be empty, or nearly so. Exhaust in the coolant will fairly > >quickly push some liquid past the pressure cap and trigger > >the sensor. Late 80's GM V-6's commonly use such a sensor > >near the top of the radiator tank - I think the current > >cost is about $35.00. > > > >Dale R. > >COZY MkIV-R #1254 > > > > > > > > > > > >>> Homepage: http://www.flyrotary.com/ > >>> Archive: http://lancaironline.net/lists/flyrotary/List.html > >>> > >>> > > > > > > > > >