X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.4.51.85] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 986565 for flyrotary@lancaironline.net; Mon, 06 Jun 2005 16:07:27 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.4.51.85; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 6 Jun 2005 13:06:41 -0700 Message-ID: Received: from 64.4.51.220 by BAY107-DAV13.phx.gbl with DAV; Mon, 06 Jun 2005 20:06:40 +0000 X-Originating-IP: [64.4.51.220] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EC2 dual power feeds Date: Mon, 6 Jun 2005 16:06:36 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_012E_01C56AB1.B720C160" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Mon, 6 Jun 2005 16:06:36 -0400 X-OriginalArrivalTime: 06 Jun 2005 20:06:41.0472 (UTC) FILETIME=[41376400:01C56AD3] This is a multi-part message in MIME format. ------=_NextPart_000_012E_01C56AB1.B720C160 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message =20 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). Cheers, Rusty =20 Hi Rusty Finally got around to seeing what it would take to retrofit separate = power feeds to the two controllers. It can be done but obviously it was = not high on my list of concerns. But, if this is bothering any = builders, I can do this rework for a cost of $110.00 + shipping. =20 Clearly, I am not recommending this but I do know the value of = eliminating a major source of doubt in the builder/pilots mind. =20 Tracy (If it feels good, do it) ------=_NextPart_000_012E_01C56AB1.B720C160 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message

 

 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).

Cheers,

Rusty    

Hi Rusty

Finally got around to = seeing what it=20 would take to retrofit separate power feeds to the two = controllers. =20 It can be done but obviously it was not high on my list of=20 concerns.   But, if this is bothering any builders, I can do = this=20 rework for a cost of $110.00 + shipping. 

Clearly, I am not = recommending this=20 but I do know the value of eliminating a major source of = doubt in=20 the builder/pilots mind. 

Tracy  (If it = feels good, do=20 it)

 

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