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Airmaster VHF interference.

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paddyclarke(at)lineone.ne
Guest

Posted: Sun Mar 20, 2011 5:39 am Post subject: Airmaster VHF interference.

Hi Folks, 

I have just replaced my original Airmaster prop controller (AC100) with the upgraded AC200 which uses the magnetic speed sensor and brush unit.

This appears to be causing interference to my VHF transmissions. The receiving stations report distortion and breaking up, which is also apparent on the sidetone.

I am led to believe it is the prop because the interference goes away if the engine is stopped or the sensor unit is disconnected. I substituted an ICOM receiver for the original Bendix/King one, and it is better but not cured.

Has anyone else had a similar problem, and if you have, have you managed to sort it?

All the Best, Paddy

Paddy Clarke

Europa G-KIMM

- The Matronics Europa-List Email Forum -

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Trevpond(at)aol.com
Guest

Posted: Sun Mar 20, 2011 6:33 am Post subject: Airmaster VHF interference.

Hi Paddy,

  

 I know some of the older controllers produced a lot of interference and  they were subsequently modified.  Suggest you contact Airmaster, you could  have one of the older ones. 

  

 best regards

  

  

  

 Trev

 G-LINN

  

  In a message dated 20/03/2011 13:39:53 GMT Standard Time,  paddyclarke(at)lineone.net writes:

  	  Quote: 	
		  -->    Europa-List message posted by: Paddy Clarke    <paddyclarke(at)lineone.net>



Hi Folks, 

I have just replaced my    original Airmaster prop controller (AC100) with the upgraded AC200 which uses    the magnetic speed sensor and brush unit.

This appears to be causing    interference to my VHF transmissions. The receiving stations report distortion    and breaking up, which is also apparent on the sidetone.

I am led to    believe it is the prop because the interference goes away if the engine is    stopped or the sensor unit is disconnected. I substituted an ICOM receiver for    the original Bendix/King one, and it is better but not cured.

Has anyone    else had a similar problem, and if you have, have you managed to sort    it?

All the Best, Paddy

Paddy Clarke

Europa     the  ies  ay                 - MATRONICS WEB FORUMS               - List Contribution Web Site  p;                             



	


 [quote][b]

- The Matronics Europa-List Email Forum -

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anthonyhiggins596(at)btin
Guest

Posted: Sun Mar 20, 2011 7:11 am Post subject: Airmaster VHF interference.

Hi Paddy,

  

 Had this problem on my Airmaster prop. You can get a firmware update from Airmaster and download it into the controller using a special lead that I have, you are welcome to borrow it.

 Not hard to do and cured mine. You can contact me on 07980756781.

  

 Regards Tony Higgins.

 Europa Jabiru G-CHAH



 

   From: Paddy Clarke <paddyclarke(at)lineone.net>

To: europa-list(at)matronics.com

Sent: Sunday, 20 March, 2011 13:24:54

Subject: Europa-List: Airmaster VHF interference.



--> Europa-List message posted by: Paddy Clarke <paddyclarke(at)lineone.net (paddyclarke(at)lineone.net)>



Hi Folks, 

I have just replaced my original Airmaster prop controller (AC100) with the upgraded AC200 which uses the magnetic speed sensor and brush unit.

This appears to be causing interference to my VHF transmissions. The receiving stations report distortion and breaking up, which is also apparent on the sidetone.

I am led to believe it is the prop because the interference goes away if the engine is  stopped or the sensor unit is disconnected. I substituted an ICOM receiver for the original Bendix/King one, and it is better but not cured.

Has anyone else had a similar problem, and if you have, have you managed to sort it?

All the Best, Paddy

Paddy Clarke

Europa G-KIMM

http://w=======================

 [quote][b]

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Europa-List

Rick Moss

Joined: 21 Sep 2014
Posts: 96

Posted: Tue Jun 23, 2015 11:20 am Post subject: Re: Airmaster VHF interference.

I'm also having issues with radio interference; the AC200 seems a likely culprit as my aircraft was unused from 2007 until I bought it in October last year. If you still have the lead tony, I'd love to borrow it!

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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