X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.3) with ESMTP id 863954 for flyrotary@lancaironline.net; Mon, 05 Dec 2005 11:10:37 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.101; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id jB5G9W4p022289 for ; Mon, 5 Dec 2005 11:09:32 -0500 (EST) Message-ID: <001101c5f9b6$443957e0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Intersting flight Date: Mon, 5 Dec 2005 11:09:26 -0500 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine > > On Sun, 4 Dec 2005 21:38:21 -0500 "Ed Anderson" > writes: >> There is also the added element of should the redundant system >> be automatically or manually activated - each adds it's own bit of >> complexity and risk. Ed A > > I sure agree. I have a lot of experience automating things. There are > times when it's valuable to have something automatically activated, but > you have to be super thorough in examining all the potential faults. I > try to resist auto activation as much as possible. None on my plane. > > It is extremely valuable to have computer monitoring. I've found Cozy > faults that no one knew about, just because computer was monitoring all > the sensors. Computer monitoring provides a leap in risk reduction. It's > pretty ironic that computer monitoring is lighter, less expensive, much > much safer, yet seldom done. I'm currently writing installation > instructions so people can buy off the shelf components, install safer > systems. > That's great to hear, Al. I agree that computer monitoring of engine and performance variables can provide the hard data from which true understanding of the problem is derived. A light weight, inexpensive data collector using reasonably priced sensors - perhaps tied in with GPS data (not necessary but useful) would be a boon. Looking forward to seeing your design. Ed A