X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from server3.alwayswebhosting.com ([66.98.204.64] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTPS id 989562 for flyrotary@lancaironline.net; Wed, 08 Jun 2005 23:55:27 -0400 Received-SPF: none receiver=logan.com; client-ip=66.98.204.64; envelope-from=bob@bob-white.com Received: from bgp01386375bgs.brodwy01.nm.comcast.net ([68.35.160.229]:35014 helo=quail) by server3.alwayswebhosting.com with smtp (Exim 4.50) id 1DgE7t-0004n3-2D for flyrotary@lancaironline.net; Wed, 08 Jun 2005 22:54:41 -0500 Date: Wed, 8 Jun 2005 21:54:39 -0600 From: Bob White To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: coolant leak Message-Id: <20050608215439.09ac9443.bob@bob-white.com> In-Reply-To: References: X-Mailer: Sylpheed version 1.9.12 (GTK+ 2.4.9; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server3.alwayswebhosting.com X-AntiAbuse: Original Domain - lancaironline.net X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - bob-white.com X-Source: X-Source-Args: X-Source-Dir: Does anyone have an idea of how much volume increase I would expect to see in the liquid between ambient and operating temps? I'm using dual GM evaporator cores and have a 1.5 quart fill tank with a 1 quart overflow tank. Bob W. On Wed, 8 Jun 2005 21:50:14 -0500 "William" wrote: > In a liquid cooling system that has no *non-condensible* gas (i.e. air), the pressure will rise due to thermal expansion of the liquid, until it gets to the pressure relief value of the cap, at which pressure a small amount of the expanding liquid will go into the overflow bottle. > > Bill Schertz > KIS Cruiser # 4045 -- http://www.bob-white.com N93BD - Rotary Powered BD-4 (real soon) Prewired EC2 Cables - http://www.roblin-photo.com/cable/