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Strange stuff on motors

mattitech07

Well-Known Member
Join
Mar 30, 2019
Messages
57
Age
51
Hi guys,I found this strange stuff on the motors,I hope it is not fleeting,I didnt flown my spark for some months,and sometimes lot of small insects crashed on it releasing a bit of dirty stuff.What is this strange stuff?How can I clean it? IMG_20200630_184054_625.jpg
 

Spark 317

Well known member with a Spark.
Premium Pilot
Join
Jul 10, 2017
Messages
4,623
Loc
Indiana, USA
Looks like rust, or bug guts.

I'm guessing whatever swarm of bugs you fly into may leave a little "acidic" bug juice on the motors that may cause corrosion over time?

I would take a Q-tip with a wee bit of rubbing alcohol on it and lightly massage the motor and see if it cleans up.

Try not to get alcohol into the motor, maybe hold the Spark upside down while cleaning it.

The alcohol will eventually evaporate so if you do get some in accidentally, make sure it's dry before powering up the Spark.

If the Q- tip doesn't work, try something a little more abrasive such as a tooth brush.

Good luck. :)
 

Dragonfly Joe

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Join
Aug 31, 2019
Messages
581
Loc
Chicago, IL USA
Good advice from Spark 317 (as always). If the alcohol doesn't remove it, crumple a small piece of aluminum foil and polish the motor housing with it. It will be abrasive enough to remove whatever that is but will not scratch the housing.
 
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irvine

Well-Known Member
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Dec 26, 2018
Messages
226
Age
74
Hi guys,I found this strange stuff on the motors,I hope it is not fleeting,I didnt flown my spark for some months,and sometimes lot of small insects crashed on it releasing a bit of dirty stuff.What is this strange stuff?How can I clean it? View attachment 13044
Yes some form of corrosion
 

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