Return-Path: Received: from [65.54.169.83] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1.1) with ESMTP id 2536769 for flyrotary@lancaironline.net; Thu, 21 Aug 2003 16:40:34 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 21 Aug 2003 13:40:18 -0700 Received: from 65.137.51.167 by bay3-dav53.bay3.hotmail.com with DAV; Thu, 21 Aug 2003 20:40:18 +0000 X-Originating-IP: [65.137.51.167] X-Originating-Email: [lors01@msn.com] Reply-To: "Tracy Crook" From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Safety: LED on EC2 and Power from injectors Date: Thu, 21 Aug 2003 16:42:11 -0400 Organization: Real World Solutions Inc. MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A3_01C36803.2AF07C60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: X-OriginalArrivalTime: 21 Aug 2003 20:40:18.0872 (UTC) FILETIME=[6F1BF380:01C36824] This is a multi-part message in MIME format. ------=_NextPart_000_00A3_01C36803.2AF07C60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageNot a factor David. The engine has to make one full turn at a = minimum rpm of 130 before it figures out where the engine is and starts = making sparks & squirting fuel. In fact, if you are ever thinking about = hand proping the engine with an EC2, forget it. Tracy Crook ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Thursday, August 21, 2003 3:03 AM Subject: [FlyRotary] Safety: LED on EC2 and Power from injectors Thanks, Tracy, that's a big relief. However, today I was thinking = about that. It means that if you have your injectors and coils on the = main bus like I do, then the "magnetos" are hot whenever the main bus is = turned on. This could in theory lead to the engine firing if the prop = is turned a little with the main buss on - like pushing the plane around = at night with the lights on etccc. Something to be careful of - = although I really like the additional source of potential power. David Leonard The Rotary Roster: http://members.aol.com/_ht_a/rotaryroster/index.html -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Tracy Crook Sent: Tuesday, August 19, 2003 8:06 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: LED on EC2 and Power from injectors This is all normal David. The EC2 getting power through the injectors = is a side effect of the voltage spike protection circuitry inside the = EC2. As an interesting aside, Mark Kirkpatrick called yesterday to = report that he had an in-flight failure of some sort. The engine quit = and he switched to B controller. The engine ran but mixture was lean so = he corrected with the mixture control and landed at his intended airport = which was close by. While taxiing to the hangar he noticed that the = circuit breaker to the EC2 was in the off position. The only reason the = EC2 continued to function was the power feed back through the injectors. = You can imagine how dirty the power was since the EC2 was constantly = switching the injectors on & off. Mark also switched back to A = controller and it ran OK. This was not an intended fail-safe feature of the EC2 but it might = have saved Mark and his plane on this occasion. No word yet on why the = breaker blew. It was either a 2 or 10 amp breaker. The EC2 uses less = than .25 amp. =20 This is another illustration of why you need to have a *well = rehearsed* emergency checklist. Tracy Crook ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Tuesday, August 19, 2003 10:40 AM Subject: [FlyRotary] LED on EC2 and Power from injectors When I power up my EC2 the program select button glows red. I am = hoping that this is normal - although green would have been a more = re-assuring color. The interesting thing is that when I supply power to = the main buss (but not the EC2) the LED also glows red. Is this normal? = The juice is getting to the EC2 via the injectors (which are powered by = the main buss). If I unplug the injectors the LED goes out. Seems = strange, but I'm hoping everything is OK and hope I don't have to start = re-wiring. David Leonard The Rotary Roster: http://members.aol.com/_ht_a/rotaryroster/index.html ------=_NextPart_000_00A3_01C36803.2AF07C60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Not a factor David.  The engine = has to make=20 one full turn at a minimum rpm of 130 before it figures out where the = engine is=20 and starts making sparks & squirting fuel.  In fact, if you are = ever=20 thinking about hand proping the engine with an EC2, forget = it.
 
Tracy Crook
----- Original Message -----
From:=20 David=20 Leonard
Sent: Thursday, August 21, 2003 = 3:03=20 AM
Subject: [FlyRotary] Safety: = LED on EC2=20 and Power from injectors

Thanks,=20 Tracy, that=92s = a big=20 relief.  However, today I was thinking about that.  It means = that if=20 you have your injectors and coils on the main bus like I do, then the=20 =93magnetos=94 are hot whenever the main bus is turned on.  This = could in=20 theory lead to the engine firing if the prop is turned a little with = the main=20 buss on =96 like pushing the plane around at night with the lights on=20 etccc=85  Something to be careful of =96 although I really like = the=20 additional source of potential power.

 

David=20 Leonard

The Rotary=20 Roster:

http://memb= ers.aol.com/_ht_a/rotaryroster/index.html

 

-----Original=20 Message-----
From: = Rotary=20 motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy = Crook
Sent: Tuesday, = August 19,=20 2003 8:06=20 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: LED on = EC2 and=20 Power from injectors

 

This is all normal = David. =20 The EC2 getting power through the injectors is a side effect of the = voltage=20 spike protection circuitry inside the EC2.

 

  As an interesting = aside,  Mark Kirkpatrick called yesterday to report that he had = an=20 in-flight failure of some sort.  The engine quit and he switched = to B=20 controller.  The engine ran but mixture was lean so he corrected = with the=20 mixture control and landed at his intended airport which was close=20 by.   While taxiing to the hangar he noticed that the = circuit=20 breaker to the EC2 was in the off position.  The only reason the = EC2=20 continued to function was the power feed back through the=20 injectors.  You can imagine how dirty the power was since the EC2 = was=20 constantly switching the injectors on & off.   Mark = also=20 switched back to A controller and it ran OK.

 

This was not an intended = fail-safe=20 feature of the EC2 but it might have saved Mark and his plane on this=20 occasion.  No word yet on why the breaker blew.  It was = either=20 a 2 or 10 amp breaker.  The EC2 uses less than .25 = amp.  =20

 

This is another = illustration=20 of why you need to have a *well rehearsed* emergency=20 checklist.

 

Tracy=20 Crook

----- Original Message = -----=20

From: David=20 Leonard

To: Rotary motors in = aircraft=20

Sent:=20 Tuesday, August 19, 2003 10:40 AM

Subject:=20 [FlyRotary] LED on EC2 and Power from = injectors

 

When I = power up my=20 EC2 the program select button glows red.  I am hoping that this = is=20 normal =96 although green would have been a more re-assuring = color.  The=20 interesting thing is that when I supply power to the main buss (but = not the=20 EC2) the LED also glows red.  Is this normal?  The juice = is=20 getting to the EC2 via the injectors (which are powered by the main=20 buss).  If I unplug the injectors the LED goes out.  Seems = strange, but I=92m hoping everything is OK and hope I don=92t have = to start=20 re-wiring.

 

David=20 Leonard

The = Rotary=20 Roster:

http://memb= ers.aol.com/_ht_a/rotaryroster/index.html

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