X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtpauth08.mail.atl.earthlink.net ([209.86.89.68] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 981480 for flyrotary@lancaironline.net; Wed, 01 Jun 2005 21:30:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.86.89.68; envelope-from=jerryhey@earthlink.net Received: from [65.176.160.36] (helo=earthlink.net) by smtpauth08.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1DdeWb-00087m-Mg for flyrotary@lancaironline.net; Wed, 01 Jun 2005 21:29:34 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=simple; s=test1; d=earthlink.net; h=Date:Subject:Content-Type:Mime-Version:From:To:Content-Transfer-Encoding:In-Reply-To:Message-Id:X-Mailer; b=Ng0yuffra8n7AQuK64wlTKujZnxNUNkHmuZUBkLVpFIzs7YBhj9SdRnYQmdk+Jyk; Date: Wed, 1 Jun 2005 20:31:30 -0500 Subject: Re: [FlyRotary] [Fwd: COZY: Rotary risks] Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) From: Jerry Hey To: "Rotary motors in aircraft" Content-Transfer-Encoding: 7bit In-Reply-To: Message-Id: <0C081116-D306-11D9-ACCD-0003931B0C7A@earthlink.net> X-Mailer: Apple Mail (2.552) X-ELNK-Trace: 8104856d7830ec6b1aa676d7e74259b7b3291a7d08dfec7926cf04b7f83d3ffff23f4f303034e5e3350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 65.176.160.36 I used to waste my time actually responding to stuff like this. It is unfocused and really uninformed blather that adds nothing to the knowledge pool. Jerry On Wednesday, June 1, 2005, at 08:08 PM, wrote: > You guys are in trouble: >> >> From: al p wick >> Date: 2005/06/01 Wed PM 05:53:06 EDT >> To: Cozy_Builders@mailman.qth.net >> Subject: COZY: Rotary risks >> >> I'm part way thru measuring Rotary risks. Using Tracy's newsletters as >> basis(what a neat guy). One thing is abundantly clear, it is a very >> high >> risk install. Substantially higher than the Lycoming. I know this is >> going to upset a lot of people. I don't want to remain silent when I >> have >> facts that may save a life. >> Each change you make to a system increases your risk. Tons of changes. >> Marginal cooling of oil and water 6+ years later. Having to watch >> something is a root cause of pilot oversight. >> High shut down risk of his EFI system(too bad, as his EFI could be a >> huge >> risk reduction if designed differently). >> Repeat root cause failures to design changes... the same pattern to >> all >> the failures. >> >> Doesn't mean don't use rotary, Perry had much lower risk as he didn't >> modify all those systems. It means, if you go that route, you better >> make >> sure you use every skill you can muster to anticipate failures and >> qualify each change while on the ground. >> >> I'll itemize the risk items in future, too many pans in fire right >> now. I >> also have to look at other info sources. >> >> Risk is not measured by how many moving components you have. That is >> propaganda. As are terms like "hand grenade" and "melting aluminum". >> It's >> the total system that counts. >> >> Fire away! >> >> -al wick >> Artificial intelligence in cockpit, Cozy IV powered by stock Subaru >> 2.5 >> N9032U 200+ hours on engine/airframe from Portland, Oregon >> Prop construct, Subaru install, Risk assessment, Glass panel design >> info: >> http://www.maddyhome.com/canardpages/pages/alwick/index.html >> >> On Wed, 1 Jun 2005 09:13:16 -0700 "Keith N91KS" >> writes: >> The rotary guys are coming in much lighter and >>> the reliability of those engines sounds like they have made great >>> improvements. >> >> >>> Keith >>> Cozy N91KS >> ______________________________________________________________ >> Cozy_builders mailing list >> Home: http://mailman.qth.net/mailman/listinfo/cozy_builders >> Help: http://mailman.qth.net/mmfaq.html >> Post: mailto:Cozy_builders@mailman.qth.net >> > > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html >