X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf08aec.mail.bellsouth.net ([205.152.59.56] verified) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 984148 for flyrotary@lancaironline.net; Tue, 14 Feb 2006 00:07:36 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.56; envelope-from=atlasyts@bellsouth.net Received: from ibm59aec.bellsouth.net ([70.149.0.133]) by imf18aec.mail.bellsouth.net with ESMTP id <20060214050604.QZA4052.imf18aec.mail.bellsouth.net@ibm59aec.bellsouth.net> for ; Tue, 14 Feb 2006 00:06:04 -0500 Received: from [192.168.0.100] (really [70.149.0.133]) by ibm59aec.bellsouth.net with ESMTP id <20060214050603.KLDF4015.ibm59aec.bellsouth.net@[192.168.0.100]> for ; Tue, 14 Feb 2006 00:06:03 -0500 Mime-Version: 1.0 (Apple Message framework v746.2) In-Reply-To: References: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <0587F6A3-0182-4765-8D46-A8F0531BE85B@bellsouth.net> Content-Transfer-Encoding: 7bit From: Bulent Aliev Subject: Re: [FlyRotary] Re: Radio noise Date: Tue, 14 Feb 2006 00:07:46 -0500 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.746.2) Here is something interesting from Bob Nuckols, that contradicts with our design of wire conduits on each side: "I think you have a greater chance of having trouble by having two routes for wires running down both sides of fuselage than by bringing them all down the same side. "sensitive"wires could be outside the conduit but I'd still run everything down the same side." Bulent "Buly" Aliev Ser# 066 / N484BD http://tinyurl.com/dcy36 On Feb 13, 2006, at 10:55 PM, Chris Sargent wrote: > Buly, > > You mentioned picking up noise from many sources. Bob Nuckolls > provides > several hundred pages of advice on this site: > > http://www.aeroelectric.com/FAQ/AeroElectric-List/AeroElectric- > List_FAQ.pdf > > Type "noise" in the Acrobat 'Find' feature (binocular icon). Quite > a few > sources of noise, including motors. > > Regards, > Chris Sargent > > Here is a problem for you large brained engineers: My radio is > picking up > noise from all the electrical motors including the alternator. I > took the > alternator to the shop and checked "as new". When I disconnect the > coax from > the radio, the noises stop, which leads me to believe the antenna > coax is > picking up the interference somehow. Guy at the airport suggested a > clamp-on > ferrite filter on the coax. I bought one tonight, but did not have > time to > test it. The offenders are: fuel pumps, nose gear motor and > alternator. > Any Ideas? Buly > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/