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De-watering an engine


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#1 Kent Ashton

Kent Ashton

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  • Kent Ashton
  • Concord, NC

Posted 21 October 2016 - 09:37 AM

I have had a bad experience with rust so I keep a dehydrator on my engine that runs about three hours per day.  It probably doesn't help cylinder walls much but I hope it helps the cam and lifters.

 

http://forum.canarda...31&postcount=40

http://www.canardzon...roject/?p=57071

 

Another thing I do is blow the moisture out of the engine if I'm not going to fly for a few days (pic)  This is a 12V air-mattress pump from Walmart (pic).   When I turn this on, I will see 3-4 seconds of moisture come out the breather.  That moisture, left in the engine, would condense on the cam and start corrosion, cam wear, and lifter spalling.  A new cam is $800-1000, AMHIK.

 

Lycoming says run the engine for an hour and get it up to 180 degrees or more to evaporate water from the oil.  Even if I do that I still see about the same amount of moisture blow out, so I know it must help.

 

Do a google image search for engine dehydrators and you will see some other homemade ideas.  For me, the silica gel will last for at least six months, then I take it home and dry it out in the oven.

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-Kent
Cozy IV N13AM-650 hrs, Long-EZ-55 hrs





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