X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 02 Aug 2011 02:16:38 -0400 Message-ID: X-Original-Return-Path: Received: from jrcda.com ([206.130.116.53] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTPS id 5070624 for lml@lancaironline.net; Mon, 01 Aug 2011 14:45:25 -0400 Received-SPF: none receiver=logan.com; client-ip=206.130.116.53; envelope-from=hwasti@lm50.com Received: from [192.168.1.113] (207-170-226-183.static.twtelecom.net [207.170.226.183]) (authenticated bits=0) by jrcda.com (8.13.1/8.13.1) with ESMTP id p71IimZO030319 for ; Mon, 1 Aug 2011 12:44:48 -0600 X-Original-Message-ID: <4E36F41B.8090107@lm50.com> X-Original-Date: Mon, 01 Aug 2011 11:44:43 -0700 From: Hamid Wasti User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 X-Original-To: Lancair Mailing List Subject: Re: [LML] Re: Re-doing my panel References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Danny Miller wrote: > > If you have a total electrical failure, your battery backup power in > your glass panel has enough power (1-2 hours) to get you any airport > big enough to resolve your electrical issue. Why bother with the > extra cost, complexity and weight? > You need to bother with the extra cost, weight and complexity because electrical system failure and "it randomly died for no apparent reason" are not the only thing you have to worry about. There are other failure mechanisms that can take out all electronics. To be of any value, your backup system has to be able to survive whatever kills your primary system. Another glass panel does not meet that requirement. Regards, Hamid