X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.4.51.89] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 930940 for flyrotary@lancaironline.net; Tue, 03 May 2005 09:59:14 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.4.51.89; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 3 May 2005 06:58:20 -0700 Message-ID: Received: from 64.4.51.202 by BAY107-DAV17.phx.gbl with DAV; Tue, 03 May 2005 13:58:20 +0000 X-Originating-IP: [64.4.51.202] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] ECU power - was fuses vs breakers Date: Tue, 3 May 2005 09:58:25 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005E_01C54FC6.A620BF10" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Tue, 3 May 2005 09:58:25 -0400 X-OriginalArrivalTime: 03 May 2005 13:58:20.0924 (UTC) FILETIME=[2A37E3C0:01C54FE8] This is a multi-part message in MIME format. ------=_NextPart_000_005E_01C54FC6.A620BF10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message By the way, Tracy's ECU can be powered through two different ways. = The original intended way and a sneak circuit way through the powering = of the injectors. I found this out when I wired a switch to the EC2 = CPU power terminal. When I turned off the switch the EC2 did not turn = off because the injectors still had voltage and there was a sneak = circuit that kept the EC2 with DC power. Tracy may have eliminated = that sneak circuit in later versions - but its there on mine. Yes; I had noted that on mine as well - at least that the light would = stay on if the injectors were on. I don't think I verified whether the = engine would continue running with the ECU off. Al=20 It will, but it can be rough. Not meant to be intentionally done. Tracy ------=_NextPart_000_005E_01C54FC6.A620BF10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 

  By the way,=20 Tracy's ECU can=20 be powered through two different ways.  The original intended way = and a=20 sneak circuit way through the powering of the injectors.  I found = this=20 out when I wired a  switch to the EC2 CPU power terminal.  = When I=20 turned off the switch the EC2 did not turn off because the injectors = still had=20 voltage and there was a sneak circuit that kept the EC2 with DC = power. =20 Tracy may=20  have eliminated that sneak circuit in later versions - but its = there on=20 mine.

 

Yes; I = had noted=20 that on mine as well =96 at least that the light would stay on if the = injectors=20 were on.  I don=92t think I verified whether the engine would = continue=20 running with the ECU off.

 

Al=20

 

It will,=20 but it can be rough.  Not meant to be intentionally=20 done.

 

Tracy

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