X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from sj-iport-1.cisco.com ([171.71.176.70] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2391590 for flyrotary@lancaironline.net; Wed, 17 Oct 2007 10:01:51 -0400 Received-SPF: softfail receiver=logan.com; client-ip=171.71.176.70; envelope-from=echristley@nc.rr.com X-IronPort-AV: E=Sophos;i="4.21,289,1188802800"; d="scan'208";a="24373485" Received: from sj-dkim-1.cisco.com ([171.71.179.21]) by sj-iport-1.cisco.com with ESMTP; 17 Oct 2007 07:01:11 -0700 Received: from sj-core-5.cisco.com (sj-core-5.cisco.com [171.71.177.238]) by sj-dkim-1.cisco.com (8.12.11/8.12.11) with ESMTP id l9HE1Cl2020882 for ; Wed, 17 Oct 2007 07:01:12 -0700 Received: from xbh-rtp-201.amer.cisco.com (xbh-rtp-201.cisco.com [64.102.31.12]) by sj-core-5.cisco.com (8.12.10/8.12.6) with ESMTP id l9HE0st5003910 for ; Wed, 17 Oct 2007 14:01:11 GMT Received: from xfe-rtp-202.amer.cisco.com ([64.102.31.21]) by xbh-rtp-201.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.1830); Wed, 17 Oct 2007 10:01:03 -0400 Received: from [10.82.233.83] ([10.82.233.83]) by xfe-rtp-202.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.1830); Wed, 17 Oct 2007 10:01:03 -0400 Message-ID: <4716159F.8060705@nc.rr.com> Date: Wed, 17 Oct 2007 10:01:03 -0400 From: Ernest Christley Reply-To: echristley@nc.rr.com User-Agent: Thunderbird 1.5.0.13 (X11/20070824) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] BellMouth Article References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 17 Oct 2007 14:01:03.0398 (UTC) FILETIME=[27993460:01C810C6] X-TM-AS-Product-Ver: SMEX-8.0.0.1181-5.000.1023-15488.002 X-TM-AS-Result: No--10.761700-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Authentication-Results: sj-dkim-1; header.From=echristley@nc.rr.com; dkim=neutral Ed Anderson wrote: > I know some of you have intake designs that involve bellmouths. I happened to run across his article on bellmouths from a racing car perspective. Makes some interesting reading - about the relative differences between different shapes. > > http://www.profblairandassociates.com/pdfs/RET_Bellmouth_Sept.pdf > Ed, it has taken me a few days to get through this 4-page article, but it was worth it. Very informative, and it's nice to occasionally read well written prose that expects more than a 6th grade reading level.