Re: Progress report - Two sets forward, big steps backwards.

Dave Dugas

Sounds exactly like what I went through 3 or 4 years ago, and I tried everything that you have. I switched to resistor plug wires, and it was like a miracle....noise disappeared! Not saying that will cure your noise issue, but it was the answer to mine. I may still have a pair of noise filters that go on the P-leads if you'd like to see if they make a difference. Tried em and no difference, but maybe will work for you. 
Dave D

Sent from Samsung tablet

-------- Original message --------
From "'jcrain2@...' jcrain2@... [Q-LIST]" <Q-LIST@...>
Date: 08/30/2014 8:29 PM (GMT-05:00)
To Q-LIST@...
Subject Re: [Q-LIST] Progress report - Two sets forward, big steps backwards.


The noise has gradually gotten worse.  I thought it was my old Valcom radio but I was wrong.  The new Garmin is still noisy.  So I have pulled the mag today to send it in for a check out and hopefully it will be the capacitor or points or something.  If the mag has nothing wrong with it I will pull the B and C alternator to have it checked out.
The radio works great until I fire  up the engine.  Then it gets "Scratchy" according to tower and 2 ship with my hanger mate.  In the past year I have reworked all of the grounds (pulled them all to the grounding buss by the battery).  Reworked the ground to the engine and firewall.  Periodically I have heard an arcing fazing noise in my headsets but it was intermittent.  I have tried pulling  breakers to isolate the cause but the radio still puts out noise.  I get a slight improvement when I turn off the mag but the noise is still there.  
With all that said it seems to be pointing to the mag.  I hope to get the mag back next weekend so I can remount the engine and test it.  Working long hours to try and make it to ORE. 
Will let  you know how it works out.

---------- Original Message ----------
From: "Sam Hoskins sam.hoskins@... [Q-LIST]" <Q-LIST@...>
To: Quickie List <Q-LIST@...>
Subject: Re: [Q-LIST] Progress report - Two sets forward, big steps backwards.
Date: Sat, 30 Aug 2014 05:30:37 -0500


Is this radio noise new, or have you changed something? What's the background on the problem?


Sent via wireless gizmo.

On Aug 29, 2014 10:38 PM, "'jcrain2@...' jcrain2@... [Q-LIST]" <Q-LIST@...> wrote:
Sorry Sam,
It's no fun to take those steps backward. 
I am  fighting radio noise with transmission and receiving.  I am pulling the engine this weekend to have the mag "gone through" and also line the mag box with stainless foil shielding to perhaps help get rid of some of the radio noise.  I am working to make it to ORE the last of Sept.  I offered the right seat to Imraan so hopefully this problem will be gone by then.

---------- Original Message ----------
From: "Sam Hoskins sam.hoskins@... [Q-LIST]" <Q-LIST@...>
To: undisclosed-recipients:;
Subject: [Q-LIST] Progress report - Two sets forward, big steps backwards.
Date: Fri, 29 Aug 2014 08:17:24 -0500


Murphy's Law again.



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