X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-db01.mx.aol.com ([205.188.91.95] verified) by logan.com (CommuniGate Pro SMTP 5.4c2o) with ESMTP id 4874343 for flyrotary@lancaironline.net; Thu, 17 Feb 2011 18:53:50 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.91.95; envelope-from=Lehanover@aol.com Received: from imo-da03.mx.aol.com (imo-da03.mx.aol.com [205.188.169.201]) by imr-db01.mx.aol.com (8.14.1/8.14.1) with ESMTP id p1HNrAtp012520 for ; Thu, 17 Feb 2011 18:53:10 -0500 Received: from Lehanover@aol.com by imo-da03.mx.aol.com (mail_out_v42.9.) id q.e52.d6ff94c (45477) for ; Thu, 17 Feb 2011 18:53:05 -0500 (EST) Received: from magic-d25.mail.aol.com (magic-d25.mail.aol.com [172.19.146.159]) by cia-mc06.mx.aol.com (v129.7) with ESMTP id MAILCIAMC066-b1a54d5db4e01f7; Thu, 17 Feb 2011 18:53:04 -0500 From: Lehanover@aol.com Message-ID: Date: Thu, 17 Feb 2011 18:53:04 EST Subject: Re: [FlyRotary] Re: - Day dreaming... To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_d7cf8.ce6ead4.3a8f0ee0_boundary" X-Mailer: 9.0 Security Edition for Windows sub 5382 X-AOL-IP: 72.187.199.116 X-Spam-Flag:NO X-AOL-SENDER: Lehanover@aol.com --part1_d7cf8.ce6ead4.3a8f0ee0_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 2/17/2011 4:18:02 P.M. Eastern Standard Time, echristley@att.net writes: The EDIS system is a double ended coil designed for lost spark. Like you said, the leading and trailing will be firing at the same time. When I have everything else shaken down and working, I'll add in the second 4-plug EDIS module. This one is driven off of a separate VR sensor, situated 185 degrees from the first. Leading plugs will fire off the first module. The wire that had been going to the trailing plugs will be grounded. All the energy that was being dropped across two plugs will now be dropped one. Twice the power. The trailing plugs will be delayed by 5 degrees, but will have the same power as the leading. The trailing will be static (no input from the Megasquirt), and probably driven from a tiny generator mounted in the CAS's slot. Basically, it will be the equivalent of a magneto. A self contained ignition source. Hopefully, it won't require a rebuild at 500hr 8*) Sounds good. So long as the trailing plugs get distributed signals and never fire together. Two more points. The further apart the two plugs in any housing fire the more it looks like a detonation event. The split idea is for small throttle settings, and to help with pollution so the cars can be sold in the Peoples Republic of California. Years back when racing Fiats, I removed the points cam and replaced it with the reluctor from a Chrysler electronic distributor. Added a Chrysler pickup (modified) and brazed the advance plate solid to eliminate movement. This was run through a Chrysler amplifier (about $12.00 back then) and gave us a rock solid ignition system. A non impulse magneto so modified would have no wear parts at all. OK three things. The distributor drive gear on the crank is up for some wear stress. The drive gear on the distributor and the crank angle sensor is not, and will gleefully drop iron dust into the oil when heavily loaded. Now back to our regularly scheduled programming. Lynn E. Hanover --part1_d7cf8.ce6ead4.3a8f0ee0_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 2/17/2011 4:18:02 P.M. Eastern Standard Time,=20 echristley@att.net writes:

The EDIS=20 system is a double ended coil designed for lost spark. Like you sa= id,=20 the leading and trailing will be firing
at the same time.

Whe= n I=20 have everything else shaken down and working, I'll add in the second 4-p= lug=20 EDIS module. This one is driven off
of a separate VR sensor,= =20 situated 185 degrees from the first. Leading plugs will fire off= the=20 first module. The wire
that had been going to the trailing plu= gs=20 will be grounded. All the energy that was being dropped across two= plugs=20 will
now be dropped one. Twice the power.

The trailing= plugs=20 will be delayed by 5 degrees, but will have the same power as the=20 leading. The trailing will be
static (no input from the Megasq= uirt),=20 and probably driven from a tiny generator mounted in the CAS's slot.&nbs= p;=20 Basically,
it will be the equivalent of a magneto. A self cont= ained=20 ignition source. Hopefully, it won't require a rebuild at
500h= r=20 8*)

Sounds good.

So long as the trailing plugs get distributed signals and never fire= =20 together. Two more points.

The further apart the two plugs in any housing fire the more it looks= like=20 a detonation event. The split idea is for small throttle settings, and to= help=20 with pollution so the cars can be sold in the Peoples Republic of=20 California.

Years back when racing Fiats, I removed the points cam and replaced= it with=20 the reluctor from a Chrysler electronic distributor. Added a Chrysler pick= up=20 (modified) and brazed the advance plate solid to eliminate movement. This= was=20 run through a Chrysler amplifier (about $12.00 back then) and gave us a ro= ck=20 solid ignition system. A non impulse magneto so modified would have no wea= r=20 parts at all.

OK three things. The distributor drive gear on the crank is up for so= me=20 wear stress. The drive gear on the distributor and the crank angle sensor= is=20 not, and will gleefully drop iron dust into the oil when heavily loaded.=

Now back to our regularly scheduled programming.

Lynn E. Hanover

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