Return-Path: Sender: (Marvin Kaye) To: lml Date: Sun, 27 Jul 2003 10:20:10 -0400 Message-ID: X-Original-Return-Path: Received: from [212.107.32.214] (HELO everyday.com) by logan.com (CommuniGate Pro SMTP 4.1) with SMTP id 2504393 for lml@lancaironline.net; Sun, 27 Jul 2003 00:56:02 -0400 Received: (qmail 5658 invoked by uid 502); 27 Jul 2003 04:55:31 -0000 Received: from d81-211-182-204.cust.tele2.it (HELO everyday.com) (81.211.182.204) by mail-fe80.tele2.ee with SMTP; 27 Jul 2003 04:55:31 -0000 X-Original-Message-ID: <3F235B39.7050006@everyday.com> X-Original-Date: Sun, 27 Jul 2003 06:55:21 +0200 From: John Herminghaus User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en,it,fr,de MIME-Version: 1.0 X-Original-To: Lancair Mail List Subject: IV-P ventilation Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit A few years ago Don Goetz suggested that there is no real need for the ventilation from the rear since it is closed when the plane is pressurized. The recent discussion on the flapper valve would seem to confirm this. It would be interesting to know if anyone actually uses the system, and, if so, when and what for. Thanks in advance. John Herminghaus IV-P I-VVVV