Return-Path: Received: from pop3.olsusa.com ([63.150.212.2] verified) by logan.com (CommuniGate Pro SMTP 3.5.9) with ESMTP id 1165073 for rob@logan.com; Sun, 14 Apr 2002 13:28:50 -0400 Received: from webterminator28.CRYSTALTECH.COM ([216.119.106.29]) by pop3.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-71866U8000L800S0V35) with ESMTP id com for ; Sun, 14 Apr 2002 12:30:23 -0400 Received: from c1338263c [12.234.209.102] by webterminator28.CRYSTALTECH.COM (SMTPD32-7.06) id AEA5149F00A2; Sun, 14 Apr 2002 09:30:29 -0700 Message-ID: <004b01c1e3d1$ce60b980$66d1ea0c@attbi.com> From: "Larry Graves" To: References: <146.cddbf30.29ea8a33@aol.com> Subject: Re: Mag Compass Error of 40 degrees? Date: Sun, 14 Apr 2002 09:31:18 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Mailing-List: lancair.list@olsusa.com Reply-To: lancair.list@olsusa.com <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> Where in the aircraft is your mag compass located? Generally speaking you must locate it physically as far away as possible from anything that generates electromagnetic radiation (flux fields). If you have it up high at the top of the windshield, your interference problem may be coming from electrical components in the ceiling... Best Regards, Larry Graves AirCrafters Builder Education Center Construction, Maintenance & Repair 140 Aviation Way, Watsonville, CA 831-722-9141 www.AirCraftersLLC.com ----- Original Message ----- > I just had a SIRS magnetic compass installed and we are experiencing errors > of up to 40 degrees. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://members.olsusa.com/mkaye/maillist.html LML Builders' Bookstore: http://www.buildersbooks.com/lancair Please remember that purchases from the Builders' Bookstore assist with the management of the LML. Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>