Return-Path: Received: from server3.alwayswebhosting.com ([66.98.204.64] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP-TLS id 851051 for flyrotary@lancaironline.net; Thu, 31 Mar 2005 22:18:56 -0500 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]:33151 helo=quail) by server3.alwayswebhosting.com with smtp (Exim 4.44) id 1DHCe5-0001LV-5F for flyrotary@lancaironline.net; Thu, 31 Mar 2005 21:16:29 -0600 Date: Thu, 31 Mar 2005 20:18:08 -0700 From: Bob White To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Davies-Craig EWP Test Results Message-Id: <20050331201808.6b6eecd1.bob@bob-white.com> In-Reply-To: References: X-Mailer: Sylpheed version 1.9.7 (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 - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - bob-white.com X-Source: X-Source-Args: X-Source-Dir: Hi Jim, Creating a pressure vs flow chart would give a lot more information. That's what Bill Shertz did with his water pump tests. Unfortunately, I didn't have any pressure guages to put in the system. This whole setup was a quick & dirty kudge to get the flow data. It's a good idea and I might consider building a better system later. Right now I need to get my engine running. I'm getting envious of all flying rotaries while mine is only collecting dust. :) Bob W. On Thu, 31 Mar 2005 16:47:22 -0600 Jim Sower wrote: > It would be interesting to put a valve downstream from the pump and > close it just a tad (perhaps measure pressure drop across the valve or > perhaps across the pump) and see how a restriction affects flow. > Inquiring minds need to know :o) ... Jim S. > > -- http://www.bob-white.com N93BD - Rotary Powered BD-4 (real soon)