X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from email2k3.itlnet.net ([64.19.112.12] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 986491 for flyrotary@lancaironline.net; Mon, 06 Jun 2005 16:04:06 -0400 Received-SPF: none receiver=logan.com; client-ip=64.19.112.12; envelope-from=jwvoto@itlnet.net Received: from rav.itlnet.net (unverified [192.168.10.149]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Mon, 6 Jun 2005 15:03:22 -0500 Received: from JWVOTO (unverified [64.19.115.77]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Mon, 6 Jun 2005 15:03:20 -0500 Message-ID: <007501c56ad3$278071a0$0100007f@JWVOTO> From: "Wendell Voto" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EC2 problems - solved / rotary risks Date: Mon, 6 Jun 2005 15:05:21 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0070_01C56AA9.287FAB40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_0070_01C56AA9.287FAB40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Monday, June 06, 2005 2:24 PM Subject: [FlyRotary] Re: EC2 problems - solved / rotary risks IMO using the EC-2 with complete separation of power & ground feed on = the EM-2, the LS1 coils, redundant CAS, power Bus &alternator/batteries = will give you backup on fuel & ignition systems. Georges B. Unfortunately, true redundancy is hard to come by. The EC-2 is = probably about as close as you can come to having two separate = controllers, without being truly separate. While I wish the EC-2 had = separate power feeds, rather than sharing one, I can also understand = Tracy's reasons for not being too worried about it. You have to draw = the line somewhere. =20 Truth be told, I worry more about the wires from the CAS than any = other item, and you can bet those babies are tie wrapped within an inch = of their lives (or mine at least). I have previously suggested that the wiring from the firewall to the = engine be heavily protected by tubing or steel angle to prevent a = breaking or broken belt from damaging the wires and stopping the engine. I plan on running the CAS wires in al tubing and all other wires in = some sort of conduit. Wendell=20 ------=_NextPart_000_0070_01C56AA9.287FAB40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Monday, June 06, 2005 = 2:24 PM
Subject: [FlyRotary] Re: EC2 = problems -=20 solved / rotary risks

 IMO using the EC-2 with complete separation of = power=20 & ground feed on the EM-2, the LS1 coils, redundant CAS, power Bus = &alternator/batteries will give you backup on fuel & ignition=20 systems.
Georges B.

Unfortunately, true redundancy = is hard to=20 come by.  The EC-2 is probably about as close as you can come to = having=20 two separate controllers, without being truly separate.  While I = wish the=20 EC-2 had separate power feeds, rather than sharing one, I can also = understand=20 Tracy's reasons for not being too worried about it.  You have to = draw the=20 line somewhere.  

Truth be told, I worry more = about=20 the wires from the CAS than any other item, and you can = bet=20 those babies are tie wrapped within an inch of their lives (or mine at = least).

I have previously suggested that = the wiring=20 from the firewall to the engine be heavily protected by  tubing = or steel=20 angle to prevent a breaking or broken belt from damaging the wires and = stopping the engine.

I plan on running the CAS wires = in al tubing=20 and all other wires in some sort of conduit.

Wendell 

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