X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 21 Jun 2009 20:30:22 -0400 Message-ID: X-Original-Return-Path: Received: from mta31.charter.net ([216.33.127.82] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3689684 for lml@lancaironline.net; Sat, 20 Jun 2009 18:04:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.82; envelope-from=troneill@charter.net Received: from imp10 ([10.20.200.10]) by mta31.charter.net (InterMail vM.7.09.01.00 201-2219-108-20080618) with ESMTP id <20090620220326.WQTW2647.mta31.charter.net@imp10> for ; Sat, 20 Jun 2009 18:03:26 -0400 Received: from axs ([75.132.241.174]) by imp10 with smtp.charter.net id 6N3H1c00M3mUFT705N3Jic; Sat, 20 Jun 2009 18:03:26 -0400 X-Original-Message-ID: <5A63A3FF526D4E3581D7794AE447F2E6@axs> From: "terrence o'neill" X-Original-To: "Lancair" Subject: interference? X-Original-Date: Sat, 20 Jun 2009 17:03:19 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01C9F1C9.02F32720" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-PCToolsMIME: Updated by PC Tools Mime Parser 1.0.0.4 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01C9F1C9.02F32720 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Problem; The magnetometer is on the right shelf aft bulkhead of the baggage bin, = and the AHRS on the right side, same bulkhead ... at prescribed distances = from iron, motors and current-wires...=20 except -- the comm coax lead from navcom to the tail-mounted antenna passes 5-inches = below the AHRS, and the nav coax lead form the navcom to the tail-mounted = nav antenna passes 3-inches below the magnetometer. 1. When I key com tansmit, the magnetic heading (EFIS) swings about 10 = degrees. 2. Last time I was tuirning onto the runway for a taxi-run and keyed = transmit, the pilot flight display PFD 'gyro' tumbled, and the heading = went into orbit-mode, rotating. Do I need to move the coax leads? Comments, admonishments, suggestions and humor all appreciated. Electronically challenged Terrence N211AL L235/320 E-mail message checked by Internet Security (6.0.1.441) Database version: 6.12640 http://www.pctools.com/en/internet-security/ ------=_NextPart_000_0003_01C9F1C9.02F32720 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <=21DOCTYPE HTML PUBLIC =22-//W3C//DTD HTML 4.0 Transitional//EN=22>
Problem;
The magnetometer = is on the=20 right shelf aft bulkhead of the baggage bin, and the AHRS on the = right=20 side, same bulkhead ... at prescribed distances from iron, motors and=20 current-wires...
except = --
the comm = coax lead from=20 navcom to the tail-mounted antenna passes 5-inches below the AHRS, and the = nav=20 coax lead form the navcom  to the tail-mounted nav antenna = passes=20 3-inches below the magnetometer.
 
1.  = When I key com=20 tansmit, the magnetic heading (EFIS) swings about 10 degrees.
 
2. Last time I = was tuirning=20 onto the runway for a taxi-run and keyed transmit, the pilot flight = display PFD=20 'gyro' tumbled, and the heading went into orbit-mode, rotating.
 
Do I need to move = the coax=20 leads?
 
Comments, = admonishments,=20 suggestions and humor all appreciated.
 
Electronically = challenged=20 Terrence
 
N211AL = L235/320
 
 




E-mail message checked = by Internet Security (6.0.1.441)
Database version: 6.12640
http://www.pctool= s.com/internet-security/
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