Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 03 Nov 2004 11:22:06 -0500 Message-ID: X-Original-Return-Path: Received: from mail.indian-creek.net ([209.176.40.9] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 497112 for lml@lancaironline.net; Wed, 03 Nov 2004 09:29:01 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.176.40.9; envelope-from=toucan@78055.com Received: from VAIO (*authenticated* [209.176.40.26] toucan@78055.com) by mail.indian-creek.net with SMTP (IOA-IPAD 4.03n/96) id 03DXX00 for ; Wed, 03 Nov 2004 08:28:28 -0600 X-Original-Message-ID: <004901c4c1b1$5edf4840$1a28b0d1@VAIO> From: "Jim Cameron" X-Original-To: "Lancair Mailing List" Subject: Conductance of laminates X-Original-Date: Wed, 3 Nov 2004 08:23:32 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0046_01C4C17E.6802F1C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_0046_01C4C17E.6802F1C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Don't know how the measurements of carbon lay-up conductance were = made, but we should be aware that conductance is a function of = frequency. Measurements made with any sort of ohmmeter are DC = conductance, which may tell nothing at all about conductance at the = frequencies of static noise. Static electricity has its own set of = rules, and the formulas seem to have things like ". . . eye of newt and = tongue of . . ." in them! Jim Cameron Legacy N121J ------=_NextPart_000_0046_01C4C17E.6802F1C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Don't know how the = measurements=20 of carbon lay-up conductance were made, but we should be aware that = conductance=20 is a function of frequency. Measurements made with any sort of = ohmmeter=20 are DC conductance, which may tell nothing at all about conductance at = the=20 frequencies of static noise. Static electricity has its own set of = rules,=20 and the formulas seem to have things like ". . . eye of newt and tongue = of . .=20 ." in them!

Jim Cameron

Legacy N121J

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