X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 50 [XX] (67%) BODY: contains "rx" (33%) BODY: text/html email has no html tag Return-Path: Received: from web84209.mail.re3.yahoo.com ([216.252.111.9] verified) by logan.com (CommuniGate Pro SMTP 5.1.3) with SMTP id 1655361 for flyrotary@lancaironline.net; Fri, 08 Dec 2006 13:43:44 -0500 Received-SPF: pass receiver=logan.com; client-ip=216.252.111.9; envelope-from=pjmick@verizon.net Received: (qmail 65851 invoked by uid 60001); 8 Dec 2006 18:43:18 -0000 X-YMail-OSG: MDjqjVcVM1lOkzu2F46kxW5kv6nod93mqLhbH7Z4vuvb7gFMK30urmxOxblzhf9qkEMqJbpcQNuD51XTlA5Eh7O52UdqqTjoWxwp1tE2GrmwXRMfV_QhyQ-- Received: from [205.175.225.184] by web84209.mail.re3.yahoo.com via HTTP; Fri, 08 Dec 2006 10:43:18 PST Date: Fri, 8 Dec 2006 10:43:18 -0800 (PST) From: Perry Mick Subject: Re: [FlyRotary] Re: MSD coils - Plug Fouling... again. To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-8497861-1165603398=:65587" Content-Transfer-Encoding: 8bit Message-ID: <636138.65587.qm@web84209.mail.re3.yahoo.com> --0-8497861-1165603398=:65587 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit I just installed a CDI system on the leading coil in my RX-7, testing it out before possibly putting it in the airplane. I don't have an issue with carbon plug fouling, only the dreaded lead. Is the lead fouling an insulation effect (a lead compound) on the electrode? If so, then I could see where a CDI system would help punch through. However, if the plugs are fouling because the lead puts a conductive film on the ceramic insulator, causing the electrode to be shorted to ground, then maybe a CDI system can't help with that? Interesting stat: I have never ever in hundreds of hours flooded the rotary engine on my Long-EZ. It always starts on the first crank. --0-8497861-1165603398=:65587 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: 8bit
I just installed a CDI system on the leading coil in my RX-7, testing it out before possibly putting it in the airplane.
 
I don't have an issue with carbon plug fouling, only the dreaded lead. Is the lead fouling an insulation effect (a lead compound) on the electrode? If so, then I could see where a CDI system would help punch through. However, if the plugs are fouling because the lead puts a conductive film on the ceramic insulator, causing the electrode to be shorted to ground, then maybe a CDI system can't help with that?
 
Interesting stat:  I have never ever in hundreds of hours flooded the rotary engine on my Long-EZ. It always starts on the first crank.
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