X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 13 Jan 2012 15:22:21 -0500 Message-ID: X-Original-Return-Path: Received: from mail.glasair.org ([65.75.24.102] verified) by logan.com (CommuniGate Pro SMTP 5.4.3) with ESMTPS id 5348777 for lml@lancaironline.net; Fri, 13 Jan 2012 06:58:42 -0500 Received-SPF: none receiver=logan.com; client-ip=65.75.24.102; envelope-from=BGray@glasair.org Received: from gray1 by mail.glasair.org (VisNetic.MailServer.v9.1.4.1) with ESMTP id XMT75005 for ; Fri, 13 Jan 2012 06:58:05 -0500 From: "Bruce" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Exhaust system X-Original-Date: Fri, 13 Jan 2012 06:58:04 -0500 X-Original-Message-ID: <6188BA5B7E514FD2BF1B8C15DBB3E9F7@gray1> MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_005F_01CCD1C0.B2752750" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_005F_01CCD1C0.B2752750 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0060_01CCD1C0.B2752750" ------=_NextPart_001_0060_01CCD1C0.B2752750 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit What happens when one of your ADHRS's starts giving false information and one screen says turn left and the other says turn right? That's why all FAA certified EFIS systems need 2 ADHRS/displays and a third attitude reference as a tie breaker. Do yourself a favor and install one. Bruce WWW.Glasair.org -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Ed Gray Sent: Friday, January 13, 2012 6:26 AM To: lml@lancaironline.net Subject: [LML] Exhaust system I just have completed the install of a 2 screen Dynon Skyview system with ap and Dynon txpd with traffic, Garmin SL30 radio to give ILS presentation on the Dynon screen. I have no steam gage backups. With dual screens, backup batteries and dual ADHRS I feel that I have enough redundancy. Does anyone have input or comment? This plane may be one of the first with no round gauges anywhere. ------=_NextPart_001_0060_01CCD1C0.B2752750 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

What happens when one of your ADHRS’s  starts giving false information = and one screen says turn left and the other says turn right? That’s why = all FAA certified EFIS systems need 2 ADHRS/displays and a third attitude = reference as a tie breaker. Do yourself a favor and install = one.

 

Bruce
WWW.Glasair.org

-----Origi= nal Message-----
From: Lancair Mailing = List [mailto:lml@lancaironline.net] On = Behalf Of Ed Gray
Sent: = Friday, = January 13, 2012 = 6:26 = AM
To: = lml@lancaironline.net
Subject: [LML] Exhaust = system

 

<Snip>

I just have completed the install of a 2 screen Dynon = Skyview system with ap and Dynon txpd with traffic, Garmin SL30 radio to give = ILS presentation on the Dynon screen.  I have no steam gage = backups.  With dual screens, backup batteries and dual ADHRS I feel that I have = enough redundancy.  Does anyone have input or comment?  This plane = may be one of the first with no round gauges anywhere.

 

 

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