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Old 12-15-2009, 12:05 PM   #1
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Default Cleaning motor can with wd-40

Last night I diassembled my motor and cleaned the can only with wd-40. Was this a good idea? will the motor be fine?
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Old 12-15-2009, 12:10 PM   #2
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Yeah that was a bad idea. You should have used contact cleaner. Not WD40. You might have a bad motor now.
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Old 12-15-2009, 12:11 PM   #3
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It was already bad. But what will happen?
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Old 12-15-2009, 12:13 PM   #4
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You'll be fine until you run it. The comm needs to be free from any and all contaminates and this includes wd-40. Wash out your motor with motor spray and then put a drop of oil on each bearing or bushing only.
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Old 12-15-2009, 12:15 PM   #5
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I've only cleaned the can. I took out the commutator.
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Old 12-15-2009, 12:17 PM   #6
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Originally Posted by B4power View Post
I've only cleaned the can. I took out the commutator.
Dust will stick to any residue so you'll have to clean your motor sooner than normal. Plus you don't want any chance for the oil to get on the comm.
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Old 12-15-2009, 12:29 PM   #7
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I don't think it was too bad of an idea. I frequently water dip my silver can motors, flood with wd-40 to get rid of all water, dry them out with compressed air and oil the bushings. They run like a champ! My Titan 12T had had this process done every 6 runs or so and now has about 40 runs on it and it still runs like its brand new. My 18R and 18T motors have been through this process too and have gotten almost 60 runs or so out of them. Now I don't know the effects on a rebuildable motor, but wd40 hasn't hurt my silver cans.
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Old 12-15-2009, 02:53 PM   #8
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Thanks for the help, I will see at my next race if it was a bad idea...
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Old 12-15-2009, 09:51 PM   #9
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for all you guys that dont know wd40 is acidic ask any airplane mechanic it leaves a acidic coat on aluminum. i know im a airplane mech
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Old 12-15-2009, 10:13 PM   #10
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for all you guys that dont know wd40 is acidic ask any airplane mechanic it leaves a acidic coat on aluminum. i know im a airplane mech
Bollocks.

If WD-40 was acidic then it would be a useless product, everyone's crap would be ruined.
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Old 12-15-2009, 11:50 PM   #11
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Well he's actually correct...

WD-40 when exposed to air for loooooonnnng periods of time DOES become SLIGHTLY acidic.

But were talkin' YEARS here... and less acidic than you find in a normal rainfall in a smog ridden city.

Hardly anything to worry about.
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Old 12-16-2009, 06:06 AM   #12
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Bollocks.

If WD-40 was acidic then it would be a useless product, everyone's crap would be ruined.
You can dip Stainless steel in Nitric acid for hours, it doesn't get hurt much.

and this is with a ph of <1.

If WD40 would be ph of 6.9 it's still acidic but wouldn't hurt anything.

so, ...
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Old 12-16-2009, 01:18 PM   #13
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Spray it out with some electric motor spray found at the hobby store...

These things are wonderful, and much safer than some brake cleaner you get at the automotive store because they're safe on most plastics...
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Old 12-16-2009, 02:24 PM   #14
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Uh............Guys,

The hot ticket lately I noticed up here is to flush out a slashes motor completely with wd40 as if it were motorspray! When it gets dirty we brakeclean it, then wd40. The comm flings/rubs it right off.
The little bit of lube left actually seems to help. have to use non-cloranated green lable CRC brakeclean. The other stuff eats plastic. CRC makes and electric motor cleaner as well. Don't buy $10 half filled cans of motor cleaner. Its another rc ripoff (like lipos, buggy grip, bearing oil, air filter oil, etc).

We used to use comm drops for a reason....
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Old 12-17-2009, 03:21 AM   #15
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Quote:
Originally Posted by DavidR View Post
Well he's actually correct...

WD-40 when exposed to air for loooooonnnng periods of time DOES become SLIGHTLY acidic.

But were talkin' YEARS here... and less acidic than you find in a normal rainfall in a smog ridden city.

Hardly anything to worry about.
So, someone has done a controlled scientific study where they measured the acidic properties of WD-40 over a number of years?

Interesting,where can I find more details?
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