X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 02 May 2014 17:23:06 -0400 Message-ID: X-Original-Return-Path: Received: from [63.230.26.161] (HELO exchange.arilabs.net) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6856512 for lml@lancaironline.net; Fri, 02 May 2014 15:38:07 -0400 Received-SPF: none receiver=logan.com; client-ip=63.230.26.161; envelope-from=kevin@arilabs.net Received: from exchange.arilabs.net ([10.100.100.1]) by exchange.arilabs.net ([10.100.100.1]) with mapi; Fri, 2 May 2014 13:37:31 -0600 From: Kevin Stallard X-Original-To: Lancair Mailing List X-Original-Date: Fri, 2 May 2014 13:37:31 -0600 Subject: Re: [LML] Legacy White Paper / Kevin Stallard Thread-Topic: [LML] Legacy White Paper / Kevin Stallard Thread-Index: Ac9mPfU9fahzHqntTWWR3OtSKUI5Ig== X-Original-Message-ID: <0393D231-DFC2-4252-9BE1-66A0657B6698@arilabs.net> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_0393D231DFC242529BE166A0657B6698arilabsnet_" MIME-Version: 1.0 --_000_0393D231DFC242529BE166A0657B6698arilabsnet_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Erik, Design and build electronics and software. Designed and built a flight con= trol and communication system for unmanned aerial vehicles (from sensors in= terfaces to control algorithms, to actuator interfaces with control surface= s). Designed and built vehicle control systems for hybrid electric battle tanks= . Aero or mechanical engineer? No. I have been working with mechanical engineers and have been through several= design cycles of electronics and software closely tied to mechanical syste= ms. I have been involved in numerous troubleshoot sessions for mechanical and a= eronautical systems. I know what happens when we don't use real empirical = data to solve problems. You chase your tail, waste a lot of time and money= . I remember when it took 6 months for our team to finally decide to use a b= orescope on a cooling system, only to discover the cooling problems were be= cause the manufacturer had left out a baffle allowing coolant to bypass the= heat exchanger. We probably blew up over $250k worth of inverters (and la= bor) trying to find this problem. We need real data so we really know what is going on and to find the root o= f the problem. I frustrate a lot of people when I don't take a surface "in= tuitive" approach. Do you remember the DC-10 that lost an engine (as in it fell off) on take o= ff years ago? There was a press conference and some mechanic presented a b= olt that they found on the runway. Everyone got all excited and started br= eathlessly speculating. If you are familiar with the history, you will agree that it was good thing= they didn't make any decisions based on what someone saw on the runway. Patience grasshopper ;) Thanks, Kevin On May 2, 2014, at 12:56 PM, Erik Larson > wrote: Kevin, I've been following this thread for quite some time and reading your prolif= ic posts and strong opinions on the subject. Many of us know of the extensive background and real world experience of: V= alin Thorn, John Smith, Fred Moreno, Ron Jones and others. Would you mind giving us some information on YOUR experience in aviation, t= o perhaps add some credibility to what you are saying? How long have you been flying.....are you a professional pilot....an engine= er.....an aerodynamicist? I mean this with absolutely NO disrespect.... but I think it might be helpf= ul to your argument to tell us why we should be listening to YOU over the v= ast majority of others, who we KNOW have a lot of experience? Thanks, Erik Larson Legacy / N74FX --_000_0393D231DFC242529BE166A0657B6698arilabsnet_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Erik,

Design and build electronics and software.  Designed and built a fl= ight control and communication system for unmanned aerial vehicles (from se= nsors interfaces to control algorithms, to actuator interfaces with control= surfaces).

Designed and built vehicle control sys= tems for hybrid electric battle tanks.

Aero or mec= hanical engineer?  No.

I have been working wi= th mechanical engineers and have been through several design cycles of elec= tronics and software closely tied to mechanical systems.

I have been involved in numerous troubleshoot sessions for mechanica= l and aeronautical systems.  I know what happens when we don't use rea= l empirical data to solve problems.  You chase your tail, waste a lot = of time and money.  

I remember when  it= took 6 months for our team to finally decide to use a borescope on a cooli= ng system, only to discover the cooling problems were because the manufactu= rer had left out a baffle allowing coolant to bypass the heat exchanger. &n= bsp;We probably blew up over $250k worth of inverters (and labor) trying to= find this problem. 


We need r= eal data so we really know what is going on and to find the root of the pro= blem.  I frustrate a lot of people when I don't take a surface "intuit= ive" approach. 


Do you remembe= r the DC-10 that lost an engine (as in it fell off) on take off years ago? =  There was a press conference and some mechanic presented a bolt that = they found on the runway.  Everyone got all excited and started breath= lessly speculating.

If you are familiar with the h= istory, you will agree that it was good thing they didn't make any decision= s based on what someone saw on the runway.

Patienc= e grasshopper ;)

Thanks,
Kevin



On May 2, 2014, at = 12:56 PM, Erik Larson <asw20747@aol.= com> wrote:

Kevin,

I've been following this thread for quite some time and reading your p= rolific posts and strong opinions on the subject.

Many of us know of the extensive background and real world experience = of: Valin Thorn, John Smith, Fred Moreno, Ron Jones and others.

Would you mind giving us some information on YOUR experience in aviati= on, to perhaps add some credibility to what you are saying?

How long have you been flying.....are you a professional pilot....an e= ngineer.....an aerodynamicist?

I mean this with absolutely NO disrespect.... but I think it might be = helpful to your argument to tell us why we should be listening to YOU over = the vast majority of others, who we KNOW have a lot of experience?

Thanks,

Erik Larson
Legacy / N74FX

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