Mailing List flyrotary@lancaironline.net Message #30196
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Radio noise
Date: Tue, 14 Feb 2006 00:07:46 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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



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