Today's Message Index:
----------------------
1. 09:19 AM - Re: CJ Trim Cable replacement (Walter Lannon)
2. 04:07 PM - Radio Noise CJ6 (Okanogan Lew)
3. 04:14 PM - Re: Radio Noise CJ6 (doug sapp)
4. 04:58 PM - Looking for Joe House (Marcus Bates)
5. 05:00 PM - Re: Radio Noise CJ6 (Brian Lloyd)
6. 05:24 PM - Re: Looking for Joe House (Joe Howse)
7. 08:33 PM - Re: Radio Noise CJ6 (Roger Kemp M.D.)
8. 10:33 PM - Re: Radio Noise CJ6 (Brian Lloyd)
Message 1
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| Subject: | Re: CJ Trim Cable replacement |
Gil;
If you could send your email address I will send some info that may help
in the trim cable replacement saga.
Walt
wlannon@shaw.ca
From: Gil Lipaz
Sent: Sunday, March 11, 2012 7:03 PM
Subject: Yak-List: CJ Trim Cable replacement
Wondering if anyone has any words of wisdom (or, even better, some
photos etc) that would help me install a new trim cable. Mine snapped
over the weekend and unspooled off both wheels. Not sure if the tail
spool is still intact but the lack of tension leads me to think it is
not. I saw some talk about replacing with electric servos but, I prefer
to use the cable system.
Gil Lipaz
310-245-7078
http://tigersquadron.com
Message 2
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Guys, my radio has back ground noise when transmitting & the engine is running.
I have installed the auto spark plug conversion kit. Does anyone know of a
fix? Thanks.
Paul Lewis
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=368531#368531
Message 3
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| Subject: | Re: Radio Noise CJ6 |
turn the engine off...............
On Wed, Mar 14, 2012 at 4:04 PM, Okanogan Lew <vplewis@community.org> wrote:
>
> Guys, my radio has back ground noise when transmitting & the engine is
> running. I have installed the auto spark plug conversion kit. Does anyone
> know of a fix? Thanks.
>
> Paul Lewis
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368531#368531
>
>
Message 4
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| Subject: | Looking for Joe House |
________________________________
>Joe....give me a contact number......Marcus Bates
>
Message 5
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| Subject: | Re: Radio Noise CJ6 |
On Wed, Mar 14, 2012 at 4:04 PM, Okanogan Lew <vplewis@community.org> wrote:
>
> Guys, my radio has back ground noise when transmitting & the engine is
> running. I have installed the auto spark plug conversion kit. Does anyone
> know of a fix? Thanks.
>
What kind of noise? There several primary noise sources:
1. ignition;
2. generator commutator;
3. generator voltage regulator;
4. rotary inverter commutators.
Ignition noise is usually a pop-pop-pop to a machine-gun/ripping noise that
increases and decreases with engine RPM. Generator noise usually comes on
suddenly when you increase RPM from idle and changes in volume as you turn
things on and off. Rotary inverters generally are a fairly raspy tone that
is continuous.
If you have done an alternator conversion then that replaces items 2 and 3
above. If an alternator is working properly, it will be quiet. If you hear
a more-or-less pure tone/whistle that changes with engine RPM, it probably
means that one or more of the diodes in the alternator has failed.
So, what does it sound like?
And if you only hear it when you are transmitting but not when receiving,
and it goes away if you unplug the microphone, then it is probably a mic
jack grounding problem. The microphone jack(s) should be insulated from the
airframe and have their own ground wire that is routed directly back to the
comm radio or to the Intercom/audio panel if you have one. The mic jack
should have black plastic or fiber washers insulating it from the metal
panel.
--
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
brian@lloyd.com
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
Message 6
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| Subject: | Re: Looking for Joe House |
marcus
joeh@shaw.ca
-------------------------------------------------------------------------
-----
Joe....give me a contact number......Marcus Bates
Message 7
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| Subject: | Re: Radio Noise CJ6 |
Magneto Filters and spark plug wire ignition shielding braid. Look on the Aircraft
Spruce website for them. Your work is not done.
Doc
Sent from my iPad
On Mar 14, 2012, at 6:04 PM, "Okanogan Lew" <vplewis@community.org> wrote:
>
> Guys, my radio has back ground noise when transmitting & the engine is running.
I have installed the auto spark plug conversion kit. Does anyone know of
a fix? Thanks.
>
> Paul Lewis
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368531#368531
>
>
>
>
>
>
>
>
>
>
Message 8
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| Subject: | Re: Radio Noise CJ6 |
On Wednesday, March 14, 2012, Roger Kemp M.D. <viperdoc@mindspring.com>
wrote:
>
>
> Magneto Filters and spark plug wire ignition shielding braid. Look on the
Aircraft Spruce website for them. Your work is not done.
That assumes that it is radiated ignition noise, not necessarily the case.
--
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
brian@lloyd.com
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
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