X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 30 Sep 2010 11:03:03 -0400 Message-ID: X-Original-Return-Path: Received: from [70.62.14.124] (HELO ustek.com) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4485735 for lml@lancaironline.net; Wed, 29 Sep 2010 07:56:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=70.62.14.124; envelope-from=r.simon@ustek.com MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01CB5FCD.DA7838FC" Subject: RE: [LML] Transponder ground plane Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 X-Original-Date: Wed, 29 Sep 2010 08:00:18 -0400 X-Original-Message-ID: In-Reply-To: X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Thread-Topic: [LML] Transponder ground plane thread-index: ActfzeKlU0eScAzAQ5qHAHD91w97HA== References: From: "Lancair" X-Original-Sender: "Robert Simon" X-Original-To: "F. Barry Knotts" , This is a multi-part message in MIME format. ------_=_NextPart_001_01CB5FCD.DA7838FC Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable >>> We want to mount a transponder antenna in the belly of our LIV. Does the carbon fiber provide an adaquate ground plane? With the conductive paint option I was concerned about flexing, especially in the pressure vessel areas, creating micro cracks over time. =20 I mounted a thin (.021) sheet of solid copper from McMaster-Carr for the ground plane <<< =20 Barry, =20 I used a non-woven metalized graphite fibre cloth. It bonds on to the graphite composite easily and follows complex curves. I had used it on EMI/RFI shielding studies years ago and found it to be quite effective. The company is working on military applications and had approached Columbia regarding its use as a lightning protection. Nice folks to deal with but they are across the pond. My contact from 5 years ago is Mike Devoe: mike.devoe@techfibres.com. =20 =20 Robert M. Simon ES-P N301ES ------_=_NextPart_001_01CB5FCD.DA7838FC Content-Type: text/x-vcard; name="Robert M Simon.vcf" Content-Transfer-Encoding: base64 Content-Description: Robert M Simon.vcf Content-Disposition: attachment; filename="Robert M Simon.vcf" QkVHSU46VkNBUkQNClZFUlNJT046Mi4xDQpOOlNpbW9uO1JvYmVydDtNLg0KRk46Um9iZXJ0IE0u IFNpbW9uDQpPUkc6VVNURUsgSW5jLg0KVElUTEU6UHJlc2lkZW50DQpURUw7V09SSztWT0lDRToo NjE0KSA1MzgtODAwMA0KVEVMO1dPUks7RkFYOig2MTQpIDUzOC04MDAyDQpBRFI7V09SSzo7OzQ2 NjMgRXhlY3V0aXZlIERyaXZlICMzO0NvbHVtYnVzO09IOzQzMjIwLTM2Mjc7VW5pdGVkIFN0YXRl cyBvZiBBbWVyaWNhDQpMQUJFTDtXT1JLO0VOQ09ESU5HPVFVT1RFRC1QUklOVEFCTEU6NDY2MyBF eGVjdXRpdmUgRHJpdmUgIzM9MEQ9MEFDb2x1bWJ1cywgT0ggNDMyMjAtMzYyNz0wRD0wQVVuaXRl ZCBTdGF0ZXMgb2YgQT0NCm1lcmljYQ0KVVJMO1dPUks6aHR0cDovL3d3dy51c3Rlay5jb20NCkVN QUlMO1BSRUY7SU5URVJORVQ6ci5zaW1vbkB1c3Rlay5jb20NClJFVjoyMDEwMDgxMlQxNjM5MzRa DQpFTkQ6VkNBUkQNCg== ------_=_NextPart_001_01CB5FCD.DA7838FC--