X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from rtp-iport-2.cisco.com ([64.102.122.149] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 987733 for flyrotary@lancaironline.net; Tue, 07 Jun 2005 16:08:55 -0400 Received-SPF: softfail receiver=logan.com; client-ip=64.102.122.149; envelope-from=echristley@nc.rr.com Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-2.cisco.com with ESMTP; 07 Jun 2005 16:08:09 -0400 Received: from xbh-rtp-201.amer.cisco.com (xbh-rtp-201.cisco.com [64.102.31.12]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j57K6o5S012929 for ; Tue, 7 Jun 2005 16:08:07 -0400 (EDT) Received: from xfe-rtp-202.amer.cisco.com ([64.102.31.21]) by xbh-rtp-201.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Tue, 7 Jun 2005 16:00:59 -0400 Received: from [64.102.45.251] ([64.102.45.251]) by xfe-rtp-202.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Tue, 7 Jun 2005 16:00:59 -0400 Message-ID: <42A5FCFB.6060500@nc.rr.com> Date: Tue, 07 Jun 2005 16:00:59 -0400 From: Ernest Christley User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050317) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: rotary risks. MTBE and the gospel ... References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 07 Jun 2005 20:00:59.0127 (UTC) FILETIME=[9F937070:01C56B9B] Jim Sower wrote: > > In general, how many single points of failure did he start out with, > how many remain and how did he remediate the ones he has fixed? What, > if anything, is he doing to address the rest, or why do they "not count"? This may or may not be more to the point, but if parts count isn't a measure of reliability, then how does increasing parts count increase reliability? That is, how do you determine if a redundant system will improve things, make them worse, or just make the plane so heavy that it won't fly? (which is fairly safe, but sort of counterproductive 8*) -- ,|"|"|, | ----===<{{(oQo)}}>===---- Dyke Delta | o| d |o www.ernest.isa-geek.org |