Return-Path: Received: from fed1rmmtao11.cox.net ([68.230.241.28] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 764071 for flyrotary@lancaironline.net; Tue, 01 Mar 2005 01:53:26 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.28; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao11.cox.net (InterMail vM.6.01.04.00 201-2131-118-20041027) with ESMTP id <20050301065237.XBAL22013.fed1rmmtao11.cox.net@BigAl> for ; Tue, 1 Mar 2005 01:52:37 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: [FlyRotary]actual water flow was Belt rumnations; soliciting Opinions of racers please.... Date: Mon, 28 Feb 2005 22:52:48 -0800 Message-ID: <000001c51e2b$48130440$6400a8c0@BigAl> 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, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Rusty, I only heard today that Al G. had flow data on his dyno. He might have some ideas around this. As to head pressure, I believe I was taught that head pressure only exists in an open system. In a closed system it all cancels out going around the circle. But that was a long time ago ... Jim S. Sorry; but there ain't no free ride; that would be tantamount to perpetual motion. Yes, if you add all the losses and offset it with the boost across the pump, it equals zero. But the pump has to do the work to overcome the losses around the loop. No pressure across the pump - no flow. Al