Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 723085 for flyrotary@lancaironline.net; Wed, 09 Feb 2005 22:20:33 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j1A3Jkkc006576 for ; Wed, 9 Feb 2005 22:19:46 -0500 (EST) Message-ID: <000f01c50f1f$607ec250$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Microtech EFI and Tuning Date: Wed, 9 Feb 2005 22:19:46 -0500 MIME-Version: 1.0 Content-Type: multipart/related; type="multipart/alternative"; boundary="----=_NextPart_000_000B_01C50EF5.76706160" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000B_01C50EF5.76706160 Content-Type: multipart/alternative; boundary="----=_NextPart_001_000C_01C50EF5.76706160" ------=_NextPart_001_000C_01C50EF5.76706160 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable There was a rash of Subaru engine-out events back a few years ago. = Folks were using the auto ECM, it turns out that the auto manufacture = ever mindful of the low state of technical understanding of the average = driver programmed the ECM to shut the engine down if it detected amongst = other things an engine OVER TEMP status. Needless to say, you don't = want an ECM that you are not thoroughly aware of what it is going to do = under all circumstances. Some have a "turn-over sensor" that turns off = the fuel pump if it sense certain parameters have been exceeded, etc, = etc. If you are a whiz at deciperhing the code of the typical Auto ECM and = really understanding what it does - then go for it. But, for the vast = majority of us - we'll keep flying with Tracy's EC2. Nothing hidden = and besides the ECM on autos are generally not redundant. I first flew = with an after market HALTECH EFI - a good system, but it did fail = completely (fortunately I was on the ground when it did). I was glad to = be able to get an EC2 from Tracy with redundancy. But, then this is experimenting and if your risk aversion profile says = to go for it, then the best of luck. Not that it can't work, but the = work and risk regarding the payoff is on the minus side of my personal = equation. Best Regards Ed=20 ----- Original Message -----=20 From: Finn Lassen=20 To: Rotary motors in aircraft=20 Sent: Wednesday, February 09, 2005 10:04 PM Subject: [FlyRotary] Re: Microtech EFI and Tuning Dale you have got to be kidding?! I think a brief survey will show that the vast majority is flying = Tracy's EC. Doesn't the car EC shut down the engine if it doesn't like what it = senses? Not a good thing in the air! Finn From: Dale Rogers =20 Subject: [FlyRotary] Re: Microtech EFI and Tuning, was Re: = [FlyRotary]=20 Date: Wed, 9 Feb 2005 13:24:19 -0500=20 To: "Rotary motors in aircraft" = =20 =20 =20 Paul, You've just made a very good case for going back to the=20 stock ECM. How many aircraft are _flying_ on the MicroTech=20 controller? How many are flying on Tracy's controller? ------=_NextPart_001_000C_01C50EF5.76706160 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

There was a rash of Subaru engine-out = events back a=20 few years ago. Folks were using the auto ECM, it turns out that = the auto=20 manufacture ever mindful of the low state of technical understanding of = the=20 average driver programmed the ECM to shut the engine down if it detected = amongst=20 other things an engine OVER TEMP status. Needless to say, you = don't want=20 an ECM that you are not thoroughly aware of what it is going to do under = all=20 circumstances. Some have a "turn-over sensor" that turns off the = fuel pump=20 if it sense certain parameters have been exceeded, etc, = etc.

If you are a whiz at deciperhing the = code of the=20 typical Auto ECM and really understanding what it does - then go for = it. =20 But, for the vast majority of us - we'll keep flying with Tracy's=20 EC2. Nothing hidden and besides the ECM on autos are generally not = redundant. I first flew with an after market HALTECH EFI - a good = system,=20 but it did fail completely (fortunately I was on the ground when it = did). =20 I was glad to be able to get an EC2 from Tracy with = redundancy.

But, then this is experimenting and if = your risk=20 aversion profile says to go for it, then the best of luck. = Not that=20 it can't work, but the work and risk regarding the payoff is on the = minus side=20 of my personal equation.

Best Regards

----- Original Message -----

From:=20 Finn=20 Lassen

To: Rotary motors in = aircraft

Sent: Wednesday, February 09, = 2005 10:04=20 PM

Subject: [FlyRotary] Re: = Microtech EFI=20 and Tuning

Dale you have got to be kidding?!
I think a brief = survey=20 will show that the vast majority is flying Tracy's EC.

Doesn't = the car=20 EC shut down the engine if it doesn't like what it senses?
Not a = good thing=20 in the air!

Finn

From: Dale Rogers "><dale.r@cox.net>

Subject: [FlyRotary] Re: Microtech EFI and = Tuning, was=20 Re: [FlyRotary]

Date: Wed, 9 Feb 2005 13:24:19 -0500

To: "Rotary motors in aircraft" <flyrotary@lancaironline.n= et>

Paul, &nb= sp;You've=20 just made a very good case for going back to the stock ECM. How = many=20 aircraft are _flying_ on the MicroTech controller? How many are = flying on=20 Tracy's controller? ------=_NextPart_001_000C_01C50EF5.76706160-- ------=_NextPart_000_000B_01C50EF5.76706160 Content-Type: image/gif; name="TextHeaders.gif" Content-Transfer-Encoding: base64 Content-ID: <000901c50f1f$5f41ae70$2402a8c0@edward2> R0lGODdhCgANAPcAAAAAAIAAAACAAICAAAAAgIAAgACAgMDAwMDcwKbK8AAAAAAAKgAAVQAAfwAA qgAA1AAqAAAqKgAqVQAqfwAqqgAq1ABVAABVKgBVVQBVfwBVqgBV1AB/AAB/KgB/VQB/fwB/qgB/ 1ACqAACqKgCqVQCqfwCqqgCq1ADUAADUKgDUVQDUfwDUqgDU1CoAACoAKioAVSoAfyoAqioA1Coq ACoqKioqVSoqfyoqqioq1CpVACpVKipVVSpVfypVqipV1Cp/ACp/Kip/VSp/fyp/qip/1CqqACqq KiqqVSqqfyqqqiqq1CrUACrUKirUVSrUfyrUqirU1FUAAFUAKlUAVVUAf1UAqlUA1FUqAFUqKlUq VVUqf1UqqlUq1FVVAFVVKlVVVVVVf1VVqlVV1FV/AFV/KlV/VVV/f1V/qlV/1FWqAFWqKlWqVVWq f1WqqlWq1FXUAFXUKlXUVVXUf1XUqlXU1H8AAH8AKn8AVX8Af38Aqn8A1H8qAH8qKn8qVX8qf38q qn8q1H9VAH9VKn9VVX9Vf39Vqn9V1H9/AH9/Kn9/VX9/f39/qn9/1H+qAH+qKn+qVX+qf3+qqn+q 1H/UAH/UKn/UVX/Uf3/Uqn/U1KoAAKoAKqoAVaoAf6oAqqoA1KoqAKoqKqoqVaoqf6oqqqoq1KpV AKpVKqpVVapVf6pVqqpV1Kp/AKp/Kqp/Vap/f6p/qqp/1KqqAKqqKqqqVaqqf6qqqqqq1KrUAKrU KqrUVarUf6rUqqrU1NQAANQAKtQAVdQAf9QAqtQA1NQqANQqKtQqVdQqf9QqqtQq1NRVANRVKtRV VdRVf9RVqtRV1NR/ANR/KtR/VdR/f9R/qtR/1NSqANSqKtSqVdSqf9SqqtSq1NTUANTUKtTUVdTU f9TUqtTU1AAAAAwMDBkZGSYmJjMzMz8/P0xMTFlZWWZmZnJycn9/f4yMjJmZmaWlpbKysr+/v8zM zNjY2OXl5fLy8v/78KCgpICAgP8AAAD/AP//AAAA//8A/wD//////ywAAAAACgANAAAINgDxCRw4 EAC+fwgTIjT4DwCAAwIXHlSYkKHDhxEZUpTYEONEjRstOoR4ECRFkSQ5bux4saXDgAA7 ------=_NextPart_000_000B_01C50EF5.76706160 Content-Type: image/gif; name="TextLetter.gif" Content-Transfer-Encoding: base64 Content-ID: <000a01c50f1f$5f41ae70$2402a8c0@edward2> R0lGODdhCgANAPcAAAAAAIAAAACAAICAAAAAgIAAgACAgMDAwMDcwKbK8AAAAAAAKgAAVQAAfwAA qgAA1AAqAAAqKgAqVQAqfwAqqgAq1ABVAABVKgBVVQBVfwBVqgBV1AB/AAB/KgB/VQB/fwB/qgB/ 1ACqAACqKgCqVQCqfwCqqgCq1ADUAADUKgDUVQDUfwDUqgDU1CoAACoAKioAVSoAfyoAqioA1Coq ACoqKioqVSoqfyoqqioq1CpVACpVKipVVSpVfypVqipV1Cp/ACp/Kip/VSp/fyp/qip/1CqqACqq KiqqVSqqfyqqqiqq1CrUACrUKirUVSrUfyrUqirU1FUAAFUAKlUAVVUAf1UAqlUA1FUqAFUqKlUq VVUqf1UqqlUq1FVVAFVVKlVVVVVVf1VVqlVV1FV/AFV/KlV/VVV/f1V/qlV/1FWqAFWqKlWqVVWq f1WqqlWq1FXUAFXUKlXUVVXUf1XUqlXU1H8AAH8AKn8AVX8Af38Aqn8A1H8qAH8qKn8qVX8qf38q qn8q1H9VAH9VKn9VVX9Vf39Vqn9V1H9/AH9/Kn9/VX9/f39/qn9/1H+qAH+qKn+qVX+qf3+qqn+q 1H/UAH/UKn/UVX/Uf3/Uqn/U1KoAAKoAKqoAVaoAf6oAqqoA1KoqAKoqKqoqVaoqf6oqqqoq1KpV AKpVKqpVVapVf6pVqqpV1Kp/AKp/Kqp/Vap/f6p/qqp/1KqqAKqqKqqqVaqqf6qqqqqq1KrUAKrU KqrUVarUf6rUqqrU1NQAANQAKtQAVdQAf9QAqtQA1NQqANQqKtQqVdQqf9QqqtQq1NRVANRVKtRV VdRVf9RVqtRV1NR/ANR/KtR/VdR/f9R/qtR/1NSqANSqKtSqVdSqf9SqqtSq1NTUANTUKtTUVdTU f9TUqtTU1AAAAAwMDBkZGSYmJjMzMz8/P0xMTFlZWWZmZnJycn9/f4yMjJmZmaWlpbKysr+/v8zM zNjY2OXl5fLy8v/78KCgpICAgP8AAAD/AP//AAAA//8A/wD//////ywAAAAACgANAAAIPgDxCRw4 EAC+fwcQKjxgMCHDhAD+GUQYEcDDhhIzVjwIkSJDfA8zQjxYUWRDixVHmnSI0aHCiS5ZAphJs2ZA ADs= ------=_NextPart_000_000B_01C50EF5.76706160--