X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from redline.d2.com ([66.251.81.115] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTPS id 986366 for flyrotary@lancaironline.net; Mon, 06 Jun 2005 14:48:12 -0400 Received-SPF: none receiver=logan.com; client-ip=66.251.81.115; envelope-from=stjohn@openbar.com Received: from plato.d2.com ([172.16.52.14]) by redline.d2.com (8.12.9/8.12.9) with ESMTP id j56Ik4Db025685 for ; Mon, 6 Jun 2005 11:46:04 -0700 Received: from [172.16.51.104] (stjohn@sloth-l.d2.com [172.16.51.104]) by plato.d2.com (8.13.1/8.13.1) with ESMTP id j56IlFcO032199 for ; Mon, 6 Jun 2005 11:47:25 -0700 Message-ID: <42A49A33.2020009@openbar.com> Date: Mon, 06 Jun 2005 11:47:15 -0700 From: John Courte User-Agent: Mozilla Thunderbird 0.9 (X11/20041103) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: EC2 problems - solved / rotary risks References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------080006060404010006020900" X-Virus-Scanned: ClamAV 0.85/915/Sun Jun 5 11:15:22 2005 on plato.d2.com X-Virus-Status: Clean X-Spam-Report: Spam detection software, running on the system "redline.d2.com", has - looked at this email to check wether or not is is spam. See below - for the result. If you have any questions, see - for details. Thank you. - - Content analysis details: (0.2 points, 5.0 required) - - pts rule name description - ---- ---------------------- -------------------------------------------------- - 0.1 HTML_MESSAGE BODY: HTML included in message - 0.1 HTML_TITLE_EMPTY BODY: HTML title contains no text - - X-Spam-Score: 0.219 X-Spam-Flag: NO X-Scanned-By: MIMEDefang 2.43 This is a multi-part message in MIME format. --------------080006060404010006020900 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit I seem to recall that my dad at one point (sometime during the Reagan administration) had our 125hp V4 Johnson outboard's points-type distributor and ignition with a magneto of some kind. I can't remember why, I think it might have been our outboard mechanic's theory that the distributor/ignition system was keeping the battery from charging properly (again a strong argument for a valid correlation between theory and fact), but apparently the technology exists. I think it may have grown more from the frustration my father had with replacing boat batteries so frequently and our mechanic's desire to do a cool hack. It seemed to fix the problem, much the same way amputation will cure a sprained ankle. John Slade wrote: > If you want true redundancy, you must double up on the systems that > have a possibility of killing you engine (and you,no matter how remote) > > I like to see some expertise put into adding backup ignition & fuel > delivery systems. Could a carburetor with its own fuel feed double as > a throttle body, and could a magneto be used to run the ignition? > John --------------080006060404010006020900 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit I seem to recall that my dad at one point (sometime during the Reagan
administration) had our 125hp V4 Johnson outboard's
points-type distributor and ignition with a magneto of some kind.
I can't remember why, I think it might have been our outboard
mechanic's theory that the distributor/ignition system was keeping
the battery from charging properly (again a strong argument for a
valid correlation between theory and fact), but apparently the technology
exists. I think it may have grown more from the frustration my father
had with replacing boat batteries so frequently and our mechanic's
desire to do a cool hack. It seemed to fix the problem, much the
same way amputation will cure a sprained ankle.

John Slade wrote:

If you want true redundancy, you must double up on the systems that have a possibility of killing you engine (and you,no matter how remote)

I like to see some expertise put into adding backup ignition & fuel delivery systems. Could a carburetor with its own fuel feed double as a throttle body, and could a magneto be used to run the ignition?

John

--------------080006060404010006020900--