X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-da06.mx.aol.com ([205.188.169.203] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5046860 for flyrotary@lancaironline.net; Sat, 09 Jul 2011 09:57:00 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.169.203; envelope-from=Lehanover@aol.com Received: from imo-ma02.mx.aol.com (imo-ma02.mx.aol.com [64.12.78.137]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id p69DuKq9019034 for ; Sat, 9 Jul 2011 09:56:20 -0400 Received: from Lehanover@aol.com by imo-ma02.mx.aol.com (mail_out_v42.9.) id q.e33.18d5fb7f (43953) for ; Sat, 9 Jul 2011 09:56:14 -0400 (EDT) Received: from magic-d25.mail.aol.com (magic-d25.mail.aol.com [172.19.146.159]) by cia-dd01.mx.aol.com (v129.10) with ESMTP id MAILCIADD012-abb14e185dfe246; Sat, 09 Jul 2011 09:56:14 -0400 From: Lehanover@aol.com Message-ID: <29794.5171506f.3b49b7fe@aol.com> Date: Sat, 9 Jul 2011 09:56:14 EDT Subject: Re: [FlyRotary] Re: sheilded plug wires To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_29794.5171506f.3b49b7fe_boundary" X-Mailer: AOL 9.6 sub 5004 X-AOL-IP: 173.88.24.45 X-Spam-Flag:NO X-AOL-SENDER: Lehanover@aol.com --part1_29794.5171506f.3b49b7fe_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Just another case of using old, long known principals to solve new problems. Tesla would have known this one as well. A sponsor bought us a set of fancy Racing Radios. (Not cheap) We tried them out the next weekend and had to go back to the pit board because of white noise. Nothing understandable came through the radio when the engine was running. Without the engine they were great. I asked another competitor about this, and he asked if I changed my plug wires to spiral core. End of story. I changed the wires and all was well with the radios. In a message dated 7/9/2011 9:29:03 A.M. Paraguay Standard Time, rwstracy@gmail.com writes: In this case "shielded" is the wrong term. The spiral wire does not actually shield the noise, it prevents the noise from being transmitted. It acts as an inductor to prevent the propagation of the noise generated at the spark gap from propagating up the wire. Tracy --part1_29794.5171506f.3b49b7fe_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Just another case of using old, long known principals to solve new=20 problems. Tesla would have known this one as well.

A sponsor bought us a set of fancy Racing Radios. (Not cheap) We trie= d them=20 out the next weekend and had to go back to the pit board because of white= noise.=20 Nothing understandable came through the radio when the engine was running.= =20 Without the engine they were great.

I asked another competitor about this, and he asked if I changed my= plug=20 wires to spiral core. End of story. I changed the wires and all was well= with=20 the radios.

In a message dated 7/9/2011 9:29:03 A.M. Paraguay Standard Time,=20 rwstracy@gmail.com writes:

In this case "shielded" is the wrong term. The spiral wire= does=20 not actually shield the noise, it prevents the noise from being transmit= ted.=20 It acts as an inductor to prevent the propagation of the no= ise=20 generated at the spark gap from propagating up the wire.

Tracy

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