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urgent: 912S ignition failure

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Remi Guerner

Joined: 14 Dec 2010
Posts: 284

Posted: Mon May 23, 2011 11:27 am Post subject: urgent: 912S ignition failure

Hello,

I have an intermittent ignition failure on both channels A and B.  

After many hours of investigation I am now suspecting the wiring to  

and from the ignition modules. My question is to those who have  

experienced ignition failure caused by broken wires in the ignition  

system. Which wire was broken and where?

Regards

Remi Guerner

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thomas(at)scherer.com
Guest

Posted: Mon May 23, 2011 12:11 pm Post subject: urgent: 912S ignition failure

Remi I had one cable fail right under the metal clamp due to vibration. That 

is a bad design because the cable can vibrate free for about 8 cm and then 

is hold very tight with that clamp.



I replaced that part of the cable with teflon coated and applied a few more 

fasteners to prevent strong vibrations. Also, I de-vibrated the prop which 

was a major step forward !



Also check other sources such as the health of the ignition modules and the 

hall sensors on the back of the engine.



All the best,



Thomas, N81EU

---

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acrojim7534(at)YAHOO.COM
Guest

Posted: Tue May 24, 2011 3:10 am Post subject: urgent: 912S ignition failure

check the wires from the iginition unit out. You will have to feel each wire,  as the wire will break inside the insulation... Both times I have had this problem the broken wire was very close to the ignition module...

  

 Jim Brown

--- On Mon, 5/23/11, Guerner Remi <air.guerner(at)orange.fr> wrote:



  	  Quote: 	
		  

From: Guerner Remi <air.guerner(at)orange.fr>

Subject: urgent: 912S ignition failure

To: "Europa-List Digest Server" <europa-list(at)matronics.com>

Date: Monday, May 23, 2011, 7:22 PM



 --> Europa-List message posted by: Guerner Remi <air.guerner(at)orange.fr (air.guerner(at)orange.fr)>



Hello,

I have an intermittent ignition failure on both channels A and B. After many hours of investigation I am now suspecting the wiring to and from the ignition modules. My question is to those who have experienced ignition failure caused by broken wires in the ignition system. Whicshare, and much much onics.com/Navigator?Europa-List" target=_blank>http://www.matronics.com/N=               - MATRONICS sp;                 -Matt Dralle, L.com/contribution" =======





	
 [quote][b]

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mp.gamble(at)talktalk.net
Guest

Posted: Thu May 26, 2011 3:13 am Post subject: urgent: 912S ignition failure

Remi, we look forward with much interest to hearing details of any faults

you find with your ignition circuits. This failure should not be happening.

Mike Gamble

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Remi Guerner

Joined: 14 Dec 2010
Posts: 284

Posted: Fri May 27, 2011 12:10 pm Post subject: Re: urgent: 912S ignition failure

Mike,



I have been working on the problem almost full time for the last ten days. I have not found any broken wire in the ignition system. I have ordered a new ignition module and will test it as soon as I get it.

I will let you know what I find.

Of course I regret the good old Lycoming of my previous plane: it was using a lot more fuel but was a lot more reliable and required a lot less maintenance time and money. 

Cheers

Remi

F-PGKL still grounded, courtesy of Rotax

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