X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 09 Jul 2005 17:33:28 -0400 Message-ID: X-Original-Return-Path: Received: from secure5.liveoakhosting.com ([64.49.254.21] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTPS id 1051317 for lml@lancaironline.net; Sat, 09 Jul 2005 11:25:06 -0400 Received-SPF: none receiver=logan.com; client-ip=64.49.254.21; envelope-from=walter@advancedpilot.com Received: (qmail 31059 invoked by uid 2520); 9 Jul 2005 10:24:15 -0500 Received: from 68.225.96.105 by secure5.liveoakhosting.com (envelope-from , uid 2020) with qmail-scanner-1.25st (clamdscan: 0.84/921. perlscan: 1.25st. Clear:RC:0(68.225.96.105):. Processed in 0.049864 secs); 09 Jul 2005 15:24:15 -0000 Received: from ip68-225-96-105.br.no.cox.net (HELO ?10.0.1.4?) (68.225.96.105) by secure5.liveoakhosting.com with SMTP; 9 Jul 2005 10:24:15 -0500 Mime-Version: 1.0 (Apple Message framework v622) In-Reply-To: References: Content-Type: multipart/alternative; boundary=Apple-Mail-4-881530827 X-Original-Message-Id: From: Walter Atkinson Subject: Re: [LML] Turbo Loss Consequences X-Original-Date: Sat, 9 Jul 2005 10:24:11 -0500 X-Original-To: "Lancair Mailing List" X-Mailer: Apple Mail (2.622) --Apple-Mail-4-881530827 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; format=flowed The EGTs will not necessarily be lower at lower powers, they may be=20 higher! The issue is that the lower power is reducing the pressure and=20= reducing the force with which the gasses are being forced out of the=20 exhaust. Walter On Jul 8, 2005, at 8:35 PM, Mike Hutchins wrote: Hi George, =A0 I copied your suggested protocol for turbo loss for inclusion into my=20 checklists. I think it is a well reasoned approach to what could be a=20 high risk-low probability event. =A0 I was wondering if enrichening the mixture to further decrease the EGTs=20= would be a useful adjunct to the protocol? Or do you think it would be=20= better to lean to peak power and then further reduce the power setting=20= to the minimum required? I realize that the temps will already be=20 significantly lower as a result of the decreased power setting. Since=20 many of my flights take me across the Rockies, precautionary landing=20 sites are occasionally rather distant and beyond the gliding range of=20 my aircraft. In addition, I just replaced the main exhaust component=20 that supports my (single) turbo due to unrepairable cracks, so this=20 topic is near and dear to my heart. =A0 Best Regards, Mike --Apple-Mail-4-881530827 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=ISO-8859-1 The EGTs will not necessarily be lower at lower powers, they may be higher! The issue is that the lower power is reducing the pressure and reducing the force with which the gasses are being forced out of the exhaust. Walter On Jul 8, 2005, at 8:35 PM, Mike Hutchins wrote: =20 ArialHi = George, = Arial=A0 ArialI copied your suggested protocol for turbo loss for inclusion into my checklists. I think it is a well reasoned approach to what could be a high risk-low probability event. = Arial=A0 ArialI was wondering if enrichening the mixture to further decrease the EGTs would be a useful adjunct to the protocol? Or do you think it would be better to lean to peak power and then further reduce the power setting to the minimum required? I realize that the temps will already be significantly lower as a result of the decreased power setting. Since many of my flights take me across the Rockies, precautionary landing sites are occasionally rather distant and beyond the gliding range of my aircraft. In addition, I just replaced the main exhaust component that supports my (single) turbo due to unrepairable cracks, so this topic is near and dear to my heart. = Arial=A0 ArialBest = Regards, = ArialMike --Apple-Mail-4-881530827--