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[rebel-builders] Intercom noise

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K Palmer

[rebel-builders] Intercom noise

Post by K Palmer » Sun Feb 19, 2012 8:55 pm

Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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Dale Kilbey

[rebel-builders] Intercom noise

Post by Dale Kilbey » Sun Feb 19, 2012 8:55 pm

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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Wayne G. O'Shea

[rebel-builders] Intercom noise

Post by Wayne G. O'Shea » Sun Feb 19, 2012 8:55 pm

Dale.. just a shot in the dark. Is this a new problem and all was fine and
now the TB is causing interference on the radio after years of non issue??
Possible it's a brush driven TB and it's time for overhaul. Worn brushes are
causing the RF issue to the radio?

Wayne

----- Original Message -----
From: "Dale Kilbey" <dale.kilbey@persona.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, August 30, 2011 6:41 PM
Subject: RE: [rebel-builders] Intercom noise

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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K Palmer

[rebel-builders] Intercom noise

Post by K Palmer » Sun Feb 19, 2012 8:55 pm

Happy to help
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: RE: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 18:41:36 -0400

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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Dale Kilbey

[rebel-builders] Intercom noise

Post by Dale Kilbey » Sun Feb 19, 2012 8:55 pm

Hi Wayne
It is a freshly overhauled T&B. The noise is not new. I will try shielded
wire. Thanks
Ddale

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Wayne
G. O'Shea
Sent: August-30-11 7:27 PM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Intercom noise

Dale.. just a shot in the dark. Is this a new problem and all was fine and
now the TB is causing interference on the radio after years of non issue??
Possible it's a brush driven TB and it's time for overhaul. Worn brushes are

causing the RF issue to the radio?

Wayne

----- Original Message -----
From: "Dale Kilbey" <dale.kilbey@persona.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, August 30, 2011 6:41 PM
Subject: RE: [rebel-builders] Intercom noise

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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Ken

[rebel-builders] Intercom noise

Post by Ken » Sun Feb 19, 2012 8:55 pm

If you ask this question on the aeroelectric list or peruse their
archives I believe you will conclude that there is about a zero chance
of shielded wiring to the T&B helping you. OTOH it may help if the power
and ground wires run parallel or are twisted together. Shielded wire
tends to force you to run parallel power and ground wires which is what
actually cancels much of the radiated noise. For the heck of it I would
try a couple of different size capacitors at the T&B if rewiring is
difficult. Some folks have even had to wrap the T&B with mu metal for
magnetic shielding. The archives there or the Aeroelectric book will
have detailed directions how to determine what the noise propagation
mode is and then how to stop it. That is your best bet for chasing down
noises.

Of course do confirm that the headphone jacks are not grounded which
pretty much eliminates any likely ground loop issues. Insulated washers
are available or some of us just mount the jacks in a piece of plastic.
It is common to use shielded wire to the headset jacks but it is by no
means essential.

Ken

Usually this is

On 9/1/2011 12:05 PM, Dale Kilbey wrote:
Hi Wayne
It is a freshly overhauled T&B. The noise is not new. I will try shielded
wire. Thanks
Ddale

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Wayne
G. O'Shea
Sent: August-30-11 7:27 PM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Intercom noise

Dale.. just a shot in the dark. Is this a new problem and all was fine and
now the TB is causing interference on the radio after years of non issue??
Possible it's a brush driven TB and it's time for overhaul. Worn brushes are

causing the RF issue to the radio?

Wayne

----- Original Message -----
From: "Dale Kilbey"<dale.kilbey@persona.ca>
To:<rebel-builders@dcsol.com>
Sent: Tuesday, August 30, 2011 6:41 PM
Subject: RE: [rebel-builders] Intercom noise

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale


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Schmucker, Del

[rebel-builders] Intercom noise

Post by Schmucker, Del » Sun Feb 19, 2012 8:55 pm

Dale:

I used a filter in-line going to my radio. You can go to Auto Parts
and get a filter to use on your car stereo. Put this in line with your
radio/intercom and it will clean up the power and block the hum.

Thank You,


Del Schmucker
Information Systems Manager
Keewatin-Patricia District School Board

807-223-5311 Ext 254
807-938-5554 Cell
www.kpdsb.on.ca


-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
Dale Kilbey
Sent: Thursday, September 01, 2011 11:05 AM
To: rebel-builders@dcsol.com
Subject: RE: [rebel-builders] Intercom noise

Hi Wayne
It is a freshly overhauled T&B. The noise is not new. I will try
shielded wire. Thanks Ddale

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
Wayne G. O'Shea
Sent: August-30-11 7:27 PM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Intercom noise

Dale.. just a shot in the dark. Is this a new problem and all was fine
and now the TB is causing interference on the radio after years of non
issue??
Possible it's a brush driven TB and it's time for overhaul. Worn brushes
are

causing the RF issue to the radio?

Wayne

----- Original Message -----
From: "Dale Kilbey" <dale.kilbey@persona.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, August 30, 2011 6:41 PM
Subject: RE: [rebel-builders] Intercom noise

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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Dale Kilbey

[rebel-builders] Intercom noise

Post by Dale Kilbey » Sun Feb 19, 2012 8:55 pm

Thank You Ken and Del
With this info I should be able to sort it out. Have a good Labour Day
weekend.
Dale

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
Schmucker, Del
Sent: September-01-11 3:34 PM
To: rebel-builders@dcsol.com
Subject: RE: [rebel-builders] Intercom noise

Dale:

I used a filter in-line going to my radio. You can go to Auto Parts
and get a filter to use on your car stereo. Put this in line with your
radio/intercom and it will clean up the power and block the hum.

Thank You,


Del Schmucker
Information Systems Manager
Keewatin-Patricia District School Board

807-223-5311 Ext 254
807-938-5554 Cell
www.kpdsb.on.ca


-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
Dale Kilbey
Sent: Thursday, September 01, 2011 11:05 AM
To: rebel-builders@dcsol.com
Subject: RE: [rebel-builders] Intercom noise

Hi Wayne
It is a freshly overhauled T&B. The noise is not new. I will try
shielded wire. Thanks Ddale

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
Wayne G. O'Shea
Sent: August-30-11 7:27 PM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Intercom noise

Dale.. just a shot in the dark. Is this a new problem and all was fine
and now the TB is causing interference on the radio after years of non
issue??
Possible it's a brush driven TB and it's time for overhaul. Worn brushes
are

causing the RF issue to the radio?

Wayne

----- Original Message -----
From: "Dale Kilbey" <dale.kilbey@persona.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, August 30, 2011 6:41 PM
Subject: RE: [rebel-builders] Intercom noise

No I had not used shielded wiring on the T&B I will try that . Thanks

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
K
Palmer
Sent: August-30-11 1:07 PM
To: list
Subject: RE: [rebel-builders] Intercom noise


Are you using shielded wiring on the turn and bank?

Kirk
773E
From: dale.kilbey@persona.ca
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Intercom noise
Date: Tue, 30 Aug 2011 11:37:27 -0400

Hi All

I have a hum on my intercom from the electric turn and bank. Any
suggestions.

Thanks

Dale





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