where do you get the screw to hold on fan for LSJS 3mm plug? - RC Groups
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Apr 21, 2008, 10:31 PM
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where do you get the screw to hold on fan for LSJS 3mm plug?

Didnt find one with my Alpha A4 kit or with the motor or plug, would a regular 3mm machine screw work? Do I need a toothed washer? Thanks for the help-
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Apr 21, 2008, 10:50 PM
SoCal, Year Round Flying!
bmiller's Avatar
You should've gotten one with the stock fanunit in the box....same bag the green locktite came in.
Anyway, its a small countersunk head type of screw without a washer.
Whatever you use replacing it with (toothed washer included) make sure it doesn't distort the rotor when you tighten it down.
Apr 21, 2008, 10:54 PM
Registered User

Thanks a lot, I'll look again for that screw...

I would assume you would lock tite this screw... I will- thanks again-

Apr 21, 2008, 11:12 PM
SoCal, Year Round Flying!
bmiller's Avatar
No locktite on it!
That green stuff was to glue the stock plug to the motorshaft, it's almost permanent!
Don't use it on anything else!
I smear some clear silicone on the threads but the screw holds pretty well without anything.
Thats on a stock power setup.
If you're running a hipower setup(like a LSJS).
Add a dab of CA under the rotor. It helps keep it from slipping.
Apr 22, 2008, 12:20 AM
Registered User
I used green threadlocker for the plug, and blue threadlocker for the screw, it's not permanent. I've had it come off before. Also, I'd recommend using a flat washer. If you notice, the countersink on the rotor isn't drilled by a machine, it's hand drilled. I had a couple of rotors that aren't drilled perfect and caused the rotor the wobble. The washer keeps it flat no matter how it is drilled.
Apr 22, 2008, 09:41 AM
Registered User

Thanks for the info, I meant blue Loctite, not the green...

I've read about how strong the greenstuff is.. I found a 3mm countersunk screw fits perfect, will try flat washer also, thanks again-

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