Return-Path: Received: from [65.54.169.68] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3041271 for flyrotary@lancaironline.net; Sun, 22 Feb 2004 23:39:36 -0500 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 22 Feb 2004 20:39:36 -0800 Received: from 67.24.246.224 by bay3-dav38.bay3.hotmail.com with DAV; Mon, 23 Feb 2004 04:39:36 +0000 X-Originating-IP: [67.24.246.224] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] EC2 - No spark problem Date: Sun, 22 Feb 2004 23:39:37 -0500 MIME-Version: 1.0 X-Mailer: MSN Explorer 7.02.0011.2700 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0007_01C3F99D.2243DB80" Message-ID: X-OriginalArrivalTime: 23 Feb 2004 04:39:36.0418 (UTC) FILETIME=[0A5CFC20:01C3F9C7] ------=_NextPart_001_0007_01C3F99D.2243DB80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable My standard first question: Do you get the same results on A & B control= ler? If yes, it is very unlikely that both controllers have same problem= so start looking for a wiring error. Possibilities include backwards c= onnections on the crank angle sensors. If you have an analog volt meter,= connect it across a sensor & see if the meter deflects positive as you b= ring a piece of steel or iron in contact with face of sensors. The retur= n line should be on the negative voltmeter lead when it does. Use the lo= west volt range. If it deflects negative, you've got it backwards. The other possibilities are (almost) endless. Check everything. Tracy ----- Original Message ----- From: John Slade Sent: Sunday, February 22, 2004 10:27 PM To: Rotary motors in aircraft Subject: [FlyRotary] EC2 - No spark problem Hi guys, I'm at the point where I'm trying to start my (3rd gen turbo LS1 coils) e= ngine for the first time. =20 I turned the engine for about a minute. It made no attempt to fire at all= , so I removed a plug, grounded the side against the block and looked for= a spark while cranking. Nothing. I checked the hot pin on the LS1 coil, = and it had 12v. The other 3 pins seemed to be grounded. Other than rechec= king ALL the EC2 connections I'm not sure where to go from here. Is it po= ssible that my crank angle sensors aren't putting out the correct pulse? = How can I test this? Can I test whether the coils are getting a firing pu= lse? If so, How? Any suggestions welcome. John Slade ------=_NextPart_001_0007_01C3F99D.2243DB80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
My standard first question= :  Do you get the same results on A & B controller?  If yes= , it is very unlikely that both controllers have same problem so start lo= oking for a wiring error.   Possibilities include backwards con= nections on the crank angle sensors.  If you have an analog volt&nbs= p;meter, connect it across a sensor & see if the meter deflects = positive as you bring a piece of steel or iron in contact with face of se= nsors.  The return line should be on the negative voltmeter lead whe= n it does.  Use the lowest volt range.  If it deflects negative= , you've got it backwards.
 
The other possibi= lities are (almost) endless.  Check everything.
 
Tracy
 
----- Original Mes= sage -----
From: John Slade
= Sent: Sunday, February 22, 2004 10:27 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] EC2 - No spark problem
<= DIV> 
= Hi guys,=
I'm at the point where I= 'm trying to start my (3rd gen turbo LS1 coils) engine for the first= time.
= I turned the engine for about a minute. It made no attempt to fire= at all, so I removed a plug, grounded the side against the block and loo= ked for a spark while cranking. Nothing. I checked the hot pin on the LS1= coil, and it had 12v. The other 3 pins seemed to be grounded. Other than= rechecking ALL the EC2 connections I'm not sure where to go from here. I= s it possible that my crank angle sensors aren't putting out the cor= rect pulse? How can I test this? Can I test whether the coils are getting= a firing pulse? If so, How?
Any suggestions welcome.
= John Slade
------=_NextPart_001_0007_01C3F99D.2243DB80--