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Old Mar 11, 2012, 08:33 AM
Registered User
Joined Feb 2012
53 Posts
Why aren't servo gears greased?

I opened up one of my mini cp servos and none of the gears are greased. If it ain't broken don't fix it, so I'm not going to add grease. But why not? Why isn't any in it?
I get that servos don't rotate at high speeds and continuously, but still, wouldn't a little grease relieve the wear and tear on these little plastic gears?

Or is it walkera doing this on purpose to sell more replacement servos?
Does anybody grease their servo gears?
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Old Mar 11, 2012, 08:38 AM
MassiveOverkill's Avatar
United States, FL, Melbourne
Joined Feb 2011
5,886 Posts
Brass and nylon are self-lubricating, so it's made of either of those materials, that could be the reason why.
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Old Mar 13, 2012, 10:20 PM
I'm a Registered User
Evansville, WI
Joined Dec 2006
3,692 Posts
Like he said, they're self lubricating. Grease would also add some drag, and these little servos often need all the help they can get. They're more consistent and move more freely without grease. I over greased the servo in my truck once, it would barely move
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Old Mar 14, 2012, 10:59 AM
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TravisBean's Avatar
The Digital Domain
Joined Nov 2008
1,394 Posts
Why aren't servo gears greased?
Because Walkera doesn't have any lobbyists in Washington.
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Old Mar 14, 2012, 11:03 AM
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Joined Nov 2000
7,585 Posts
Some servos Are greased. Seemingly some of the cheapest/nastiest don't bother as it adds to mfg costs.
Also these are expected to die looong before a lack of grease takes any wear toll.
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Old Mar 14, 2012, 11:39 AM
Registered User
United States, MA, Springfield
Joined Dec 2010
575 Posts
the gears are plastic, so it doesn't need it..
it would be like putting grease on pinion and main gear, no one puts grease there
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