X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 09 May 2007 17:56:22 -0400 Message-ID: X-Original-Return-Path: Received: from vms042pub.verizon.net ([206.46.252.42] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2034818 for lml@lancaironline.net; Wed, 09 May 2007 17:44:44 -0400 Received: from jacky0da39824a ([71.97.250.60]) by vms042.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JHS00G99N2AP082@vms042.mailsrvcs.net> for lml@lancaironline.net; Wed, 09 May 2007 16:44:37 -0500 (CDT) X-Original-Date: Wed, 09 May 2007 14:44:33 -0700 From: "Tom Gourley" Subject: [LML] Re: IO-550 fuel injection - NACA Fuel Vents X-Original-To: "Lancair Mailing List" Reply-to: "Tom Gourley" X-Original-Message-id: <001401c79283$3bee1be0$640610ac@jacky0da39824a> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Mailer: Microsoft Outlook Express 6.00.2900.3028 Content-type: text/plain; format=flowed; charset=iso-8859-1; reply-type=original Content-transfer-encoding: 7bit X-Priority: 3 X-MSMail-priority: Normal References: I seem to recall reading an article that said NACA scoops aren't really designed to convert a fast moving air stream into high static pressure. They're designed to bring in a high volume of air while creating minimal drag but produce very little ram air pressure. Is this not correct? Tom Gourley