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Creeping mixture control


Flymu2

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I've noticed recently that after I lean for cruise the mixture control will start creeping toward rich, such that I have to readjust it every few minutes. It's a real PIA. My mechanic says he spoke with Mooney, that there's no adjustment, and that a new cable costs about $700. Ouch! Any alternatives?

 

Thanks,

 

Dennis Wolf

2000 M20S

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I have the exact same issue with my mixture control.  I've found a "two cent" solution for the problem.  I've attempted to attach a photo of my solution.  Check for an attached photopost-7704-0-25032300-1377024952_thumb.jp.  It works great!  I just adjust the mixture control to the desired position and then place a rubber band around the mixture and the prop control.  I keep a couple of rubber bands on hand in the cockpit.

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Great pic! Thanks.

My mechanic suggested the same thing, but I couldn't quite figure out what he was describing. A picture is worth a thousand words.

I have the exact same issue with my mixture control. I've found a "two cent" solution for the problem. I've attempted to attach a photo of my solution. Check for an attached photo Mixture Fix.jpg. It works great! I just adjust the mixture control to the desired position and then place a rubber band around the mixture and the prop control. I keep a couple of rubber bands on hand in the cockpit.

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This reminds me of those "there, I fixed it" photos of people duct taping flashlights in place of broken headlights or mounting a window A/C unit into their car because they ran out of freon. It makes me proud to be with my kind of people. 'MERICA!

 

Never underestimate the power of rubber.

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The leather trick works -- just be careful about putting in too big a piece b/c once it's jammed down in there you won't get it back out...ask me how I know...I'd recommend a piece about 1/8" by 11/2" for starters.

 

Ditto on the rubber band trick being genius!!!

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So, the rubber band worked! A bit of a pain in the neck to manage, but effective.

 

The question now is how to replace the mixture control. My mechanic says there are two sources - the company that makes them for the factory, and another firm called ACS (I think). He says the Mooney factory model is about $700, and the ACS has to be custom made but much less, maybe $100-200.

 

Anyone have any experience with replacing a mixture control?

 

Thanks,

 

Dennis Wolf

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