X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omr-d04.mx.aol.com ([205.188.109.201] verified) by logan.com (CommuniGate Pro SMTP 6.0.6) with ESMTPS id 6458543 for lml@lancaironline.net; Sat, 07 Sep 2013 15:21:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.109.201; envelope-from=Sky2high@aol.com Received: from mtaomg-mb04.r1000.mx.aol.com (mtaomg-mb04.r1000.mx.aol.com [172.29.41.75]) by omr-d04.mx.aol.com (Outbound Mail Relay) with ESMTP id 8485E70000098 for ; Sat, 7 Sep 2013 15:20:37 -0400 (EDT) Received: from core-mtd002b.r1000.mail.aol.com (core-mtd002.r1000.mail.aol.com [172.29.235.197]) by mtaomg-mb04.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 2FF6DE000086 for ; Sat, 7 Sep 2013 15:20:37 -0400 (EDT) From: Sky2high@aol.com Full-name: Sky2high Message-ID: Date: Sat, 7 Sep 2013 15:20:37 -0400 (EDT) Subject: Re: [LML] Re: iPad overheated & quit! To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_ea1b8.11d6bb5f.3f5cd685_boundary" X-Mailer: AOL 9.6 sub 168 X-Originating-IP: [67.175.156.123] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1378581637; bh=sBH8ZokZ8cpYbdFPqS7AYqv8qMB2MEg2LmtVLZBhd3k=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=RVjcnZK+MWnCXTdi7HT4m/4aA/TDqmtgR0NhtACNvfeFQQgkbEzmah91jWjBXvJ/H 0LpVWPS8WrGLRr70jYh9pxQGQ3N4BJhGKZWPPP4xjTEKfhKnYFU+eZDPl9WAqjdfEU 5Lj7XJdjT0EAPJOL3q1n75TZDd+o50nq+S3CArFw= x-aol-sid: 3039ac1d294b522b7c8512fd --part1_ea1b8.11d6bb5f.3f5cd685_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Paul, Yep, I had every thing up-side-down even though the measure "tons of operating hours" is a scientific term of art. OK, try this: How often does an iPad break? March 16th, 2012 SquareTrade, the largest independent warranty provider in the world, just completed an extensive report on _iPad breakage rates_ (http://www.squaretrade.com/pages/ipad-reliability-1203) . Based on data compiled from 50,000 SquareTrade iPad customers, the company found that iPad 2 owners reported breakage 3.5 times as often as iPad 1 owners. graph The entire study is available for download here:http://www.squaretrade.com/pages/ipad-reliability-1203 For avionics, see http://www.prognostics.umd.edu/calcepapers/02_D.Humphrey_AgyingAircraftIssues_Proc.WorldAviationCongress.pdf for a discussion of the 3-parameter Weibull density function and other avionic failure issues. For a more dense discussion refer to http://www.prognostics.umd.edu/calcepapers/04_Wilkinson.C._PHMAvionics_IEEEBigSky.pdf Grayhawk PS This reply is TSO'd (Terminal Silliness Offering) In a message dated 9/7/2013 12:07:10 P.M. Central Daylight Time, pjdmiller@gmail.com writes: you usually grace us with interesting stats and data we can chew on. unfortunately, this post adds little meat to either argument and zero backup to the "spend more equals better reliability and function" nonsense we get from the certified box makers. If its good enough for American Airlines then I'm probably ok too. Why don't you send your estimate of reliability to AA for a comment? Unless you know more than the airline does... Paul On 2013-09-07, at 7:56 AM, _Sky2high@aol.com_ (mailto:Sky2high@aol.com) wrote: Panel Avionics - produced only in the thousands, incredible costs associated with R&D and certification, built to operate in a hostile environment, error rate = errors / (flight hours X thousands) Consumer electronics - produced in the millions with reasonable R&D costs and much simpler certification, built to be operated by children and old people, error rate = errors / (tons of operating hours X millions) Yep, looks comparable to me. Grayhawk PS getting two may not be enough........... --part1_ea1b8.11d6bb5f.3f5cd685_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Paul,
 
Yep, I had every thing up-side-down even though the measure = "tons=20 of operating hours" is a scientific term of art.  OK, try this:
 

How often does an iPad break?

March 16th, 201= 2

SquareTrade, the largest independent warranty provider in = the=20 world, just completed an extensive report on iPad=20 breakage rates. Based on data compiled from 50,000 SquareTrade iPad=20 customers, the company found that iPad 2 owners reported breakage 3.5 times= as=20 often as iPad 1 owners.

3D""=20=20

graph

The entire study is available for download here:http://www.squaretrade.com/pages/ipad-reliability-1203<= /P>

For avionics, see http://www.prognostics.umd.edu/c= alcepapers/02_D.Humphrey_AgyingAircraftIssues_Proc.WorldAviationCongress.pd= f
 for a discussion of the 3-parameter Weibull densit= y=20 function and other avionic failure issues.
 
For a more dense discussion refer to http://www.prognostics.umd.edu/calcepapers/04_Wilkinson= .C._PHMAvionics_IEEEBigSky.pdf
 
Grayhawk
 
PS This reply is TSO'd (Terminal Silliness Offering)
 
In a message dated 9/7/2013 12:07:10 P.M. Central Daylig= ht=20 Time, pjdmiller@gmail.com writes:
= you = usually=20 grace us with interesting stats and data we can chew on.  unfortunat= ely,=20  this post adds little meat to either argument and zero backup to th= e=20  "spend more equals better reliability and function" nonsense we get= from=20 the certified box makers.   =20

If its good enough for American Airlines then I'm probably ok too. &= nbsp;=20 Why don't you send your estimate of reliability to AA for a comment?=20  Unless you know more than the airline does...

Paul
On 2013-09-07, at 7:56 AM, Sky2high@aol.com wrote:
Panel Avionics - produced only in the thousands, incredible c= osts=20 associated with R&D and certification, built to operate in a hostil= e=20 environment, error rate =3D errors / (flight hours X thousands)
 
Consumer electronics - produced in the millions with reasonable R&= amp;D=20 costs and much simpler certification, built to be operated by chil= dren=20 and old people, error rate =3D errors / (tons of operating hours X=20 millions)
 
Yep, looks comparable to me.
 
Grayhawk
 
PS getting two may not be=20 enough...........

<= /BLOCKQUOTE>
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