X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-pa0-f49.google.com ([209.85.220.49] verified) by logan.com (CommuniGate Pro SMTP 6.0.1) with ESMTPS id 6008778 for flyrotary@lancaironline.net; Sat, 12 Jan 2013 10:05:07 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.220.49; envelope-from=dale.rog@gmail.com Received: by mail-pa0-f49.google.com with SMTP id bi1so1503722pad.22 for ; Sat, 12 Jan 2013 07:04:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:user-agent:mime-version:to:subject :references:in-reply-to:content-type; bh=mpDazfVBWuqr2s06EaJXi5StERW0lv21w9iyF1JDiLY=; b=up66eEMODfk1LvELrmPFsRjRHPGrFSkZB267CL5IrY5K72Afo8M7nzNVUhcdgdSI0u ldnqdcWgF/jBKNkOdssvgTu+1az3QpAEDzWk6Faocn+lxlqeelesg7+M5pW07J9IIAFt Vql6wfrnt9L01z1lUHfnqgerVc32Et2K5CWeAku3pFkbfKYSoNHzQ0oj0PwjrSchnYG1 8DJ2DN8dtaRYnhVqI8SLpGs1ugh6/EPc+/1CAIiQAW7oLBBCoohbZBDqWTBpgntY4L4X SwDZY5ox2TwLc/9rRrvTEYgdzwFncLSIAV8RMkeLPQce7JMN+Lqp8jQeUruOWNMZrRvA +9iw== X-Received: by 10.68.197.135 with SMTP id iu7mr237699228pbc.71.1358003071873; Sat, 12 Jan 2013 07:04:31 -0800 (PST) Return-Path: Received: from [192.168.1.101] (ip72-201-190-84.ph.ph.cox.net. [72.201.190.84]) by mx.google.com with ESMTPS id d2sm5129882paw.19.2013.01.12.07.04.30 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 12 Jan 2013 07:04:31 -0800 (PST) Message-ID: <50F17B65.6040609@gmail.com> Date: Sat, 12 Jan 2013 08:04:05 -0700 From: Dale_R User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Hiccup References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------070107050108020003050807" This is a multi-part message in MIME format. --------------070107050108020003050807 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Dunno how many people here remember when spark wire was just that: wire. But it was electrically noisy. So it got replaced by carbon impregnated fabric, which has rather high resistance (a cheap way to damp the "noise"). Another way to suppress the "noise" is to wrap the wire (many turns, closely spaced) around an insulating core, which creates an inductive impedance, which accomplishes the same goal but readily passes spark current. AFAIK, "MAGNECORE" was the first to explore this method, but several companies offer a similar product now. According to some sources, the core material can make a large difference in the inductive effectiveness. Therefore, I'd recommend MAGNECORE. -- Best Regards, Dale_R (who has no financial interest in Magnecore) Cozy MKIV #497 On 1/12/2013 7:21 AM, Bill Bradburry wrote: > > Anybody have a recommendation for ignition wires for the Renesis? I > have the original Mazda wires. I checked them out yesterday and they > seemed fine, but I am still considering replacing them to see if it helps. > > Bill B > --------------070107050108020003050807 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit

Dunno how many people here remember when spark wire was just that: wire. But it was electrically noisy. So it got replaced by carbon impregnated fabric, which has rather high resistance (a cheap way to damp the "noise").

Another way to suppress the "noise" is to wrap the wire (many turns, closely spaced) around an insulating core, which creates an inductive impedance, which accomplishes the same goal but readily passes spark current. AFAIK, "MAGNECORE" was the first to explore this method, but several companies offer a similar product now. According to some sources, the core material can make a large difference in the inductive effectiveness. Therefore, I'd recommend
MAGNECORE.

-- 
Best Regards,
Dale_R (who has no financial interest in Magnecore)
Cozy MKIV #497

On 1/12/2013 7:21 AM, Bill Bradburry wrote:

Anybody have a recommendation for ignition wires for the Renesis? I have the original Mazda wires. I checked them out yesterday and they seemed fine, but I am still considering replacing them to see if it helps.

Bill B

--------------070107050108020003050807--