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1. 03:51 AM - Re: AeroElectric-List Digest: 3 Msgs - 04/06/14 (mick muller)
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Subject: | RE: AeroElectric-List Digest: 3 Msgs - 04/06/14 |
WE had a similar problem with noise, and the issue turned out to be the
Condensers in the Magneto.
This was despite the Mag having been overhauled about 170 hours prior to
that.
Mick
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
AeroElectric-List Digest Server
Sent: Monday, 7 April 2014 4:58 PM
Subject: AeroElectric-List Digest: 3 Msgs - 04/06/14
*
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AeroElectric-List Digest Archive
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Total Messages Posted Sun 04/06/14: 3
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Today's Message Index:
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1. 10:05 AM - Magneto Noise (Jeff Luckey)
2. 12:14 PM - Re: Magneto Noise (Tim Andres)
3. 01:01 PM - Re: Magneto Noise (David Lloyd)
________________________________ Message 1
_____________________________________
Time: 10:05:46 AM PST US
From: Jeff Luckey <jluckey@pacbell.net>
Subject: AeroElectric-List: Magneto Noise
=0A=0AI flew w/ a friend recently and when trying to get awos for our desti
nation airport (which is a pretty weak signal) it was almost impossible to
hear due to magneto noise.- The radio is a Garmin 430W in a Cherokee and we
were around 10 miles from the airport.- When we got within 3 or 4 mile s the
signal was much clearer.- All other transmissions with ATC & towers were
acceptable but I noticed at high volume I could clearly hear magneto noise
in the background.=0A=0A=0AI'm wondering if that's just the way it is or if
there is a problem with the magnetos or P lead wiring.=0A=0A=0AThere must
be one of Bob's handy-dandy write-ups on this topic but a quick searc h of
AeroElectric.com was in vain.=0A=0ACan someone point me in the right d
irection?=0A=0ATIA,=0A=0A-Jeff=0A
________________________________ Message 2
_____________________________________
Time: 12:14:10 PM PST US
From: Tim Andres <tim2542@sbcglobal.net>
Subject: Re: AeroElectric-List: Magneto Noise
Not normal. Does it go away when you switch either mag off? YOu sure its a
mag?=0ATim=0A=0A=0A=0A=0A________________________________=0A From: Jeff Luc
key <jluckey@pacbell.net>=0ATo: "aeroelectric-list@matronics.com" <aeroelec
tric-list@matronics.com> =0ASent: Sunday, April 6, 2014 10:04 AM=0ASubject:
AeroElectric-List: Magneto Noise=0A =0A=0A=0A=0A=0AI flew w/ a friend rece
ntly and when trying to get awos for our destination airport (which is a pr
etty weak signal) it was almost impossible to hear due to magneto noise.-
The radio is a Garmin 430W in a Cherokee and we were around 10 miles from
the airport.- When we got within 3 or 4 miles the signal was much clearer
.- All other transmissions with ATC & towers were acceptable but I notice d
at high volume I could clearly hear magneto noise in the background.=0A
=0A=0AI'm wondering if that's just the way it is or if there is a problem w
ith the magnetos or P lead wiring.=0A=0A=0AThere must be one of Bob's handy
-dandy write-ups on this topic but a quick search of AeroElectric.com was i
n vain.=0A=0ACan someone point me in the right direction?=0A=0ATIA,=0A=0A-J
====================
________________________________ Message 3
_____________________________________
Time: 01:01:46 PM PST US
From: "David Lloyd" <skywagon@charter.net>
Subject: Re: AeroElectric-List: Magneto Noise
I would suspect the "shield" part of the P-lead cable has broken and is no
longer grounded at the mag. housing. 2nd, a small chance that the heavy
grounding cable from the engine to aircraft frame is missing or not making a
full connection due to corrosion or other flaw.
Dave
-------------------------------------------------------------------------
-------
----- Original Message -----
From: Tim Andres
To: aeroelectric-list@matronics.com
Sent: Sunday, April 06, 2014 12:13 PM
Subject: Re: AeroElectric-List: Magneto Noise
Not normal. Does it go away when you switch either mag off? YOu sure its a
mag?
Tim
-------------------------------------------------------------------------
-----
From: Jeff Luckey <jluckey@pacbell.net>
To: "aeroelectric-list@matronics.com"
<aeroelectric-list@matronics.com>
Sent: Sunday, April 6, 2014 10:04 AM
Subject: AeroElectric-List: Magneto Noise
I flew w/ a friend recently and when trying to get awos for our
destination airport (which is a pretty weak signal) it was almost
impossible to hear due to magneto noise. The radio is a Garmin 430W in
a Cherokee and we were around 10 miles from the airport. When we got
within 3 or 4 miles the signal was much clearer. All other
transmissions with ATC & towers were acceptable but I noticed at high
volume I could clearly hear magneto noise in the background.
I'm wondering if that's just the way it is or if there is a problem
with the magnetos or P lead wiring.
There must be one of Bob's handy-dandy write-ups on this topic but a
quick search of AeroElectric.com was in vain.
Can someone point me in the right direction?
TIA,
-Jeff
http://www.matronics.com/Navigator?AeroElectri"
href="http://forums.matronics.com/">http://forums.matronics.com
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href="http://www.matronics.com/contributi
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