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Engine missing during mag check

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charles.long(at)gm.com
Guest

Posted: Fri May 18, 2007 6:36 am Post subject: Engine missing during mag check

I've noticed my engine missing during mag check.  It does not occur

all the time, and it can occur on either mag or both.  My idle mixture has

been set a bit to the rich side for easier starting in the winter.  This

could certainly contribute and that is one of the first things that I will

adjust.  Also noticed that my distributer caps are loose.  This was not the

case when new. I'm going to inspect the rotors and add shims to eliminate

the slack.  Has anyone else experienced mag check issues due to loose caps

or rich idle mixture?



   Thanks in advance

   Chuck Long

   Zodie Rocket w Jab 3300

   105 hr TTSN

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zodiacjeff(at)msn.com
Guest

Posted: Fri May 18, 2007 7:11 am Post subject: Engine missing during mag check

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]-->  Hi Chuck,

  

 I've not experienced missing during mag checks and at under 110 hours your  caps and rotors should still be in good shape - notice the still.

  

 I put new caps and rotors on at 280 hours and noticed the new caps were  slightly loose (could be rocked back and forth) so I just took a few swipes with  a file on the ends of the aluminum L angles that holds on the cap and has the  cap screw pass through it for attachment.

  

 Worked well and engine, which had experienced rough rpm on take off the  previous flight, was as smooth as ever.

  

 cheers  jeff small

 [quote]

         I've noticed my engine missing during mag check.  It does not    occur

all the time, and it can occur on either mag or both.  My idle    mixture has

been set a bit to the rich side for easier starting in the    winter.  This

could certainly contribute and that is one of the first    things that I will

adjust.  Also noticed that my distributer caps are    loose.  This was not the

case when new. I'm going to inspect the    rotors and add shims to eliminate

the slack.  Has anyone else    experienced mag check issues due to loose caps

or rich idle  mixture?



[b]

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