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HomeAircraftHelicopterMain Discussion › Loctite
01-21-2015 12:10 AM  3 years agoPost 1
don s

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Chesapeake, VA

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The wicking kind for grip bearings and such. What number is it?

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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01-21-2015 12:12 AM  3 years agoPost 2
Ace Dude

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You want thread locker or retaining compound?

  

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01-21-2015 12:14 AM  3 years agoPost 3
Aaron29

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Ugh I was going to refer you to MA, but that's so 2014.

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01-21-2015 12:20 AM  3 years agoPost 4
Retired2011

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Lee's Summit, MO

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The wicking kind for grip bearings and such. What number is it?
The answer is...
http://www.loctiteproducts.com/tds/T_LKR_GREEN_tds.pdf

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01-21-2015 12:30 AM  3 years agoPost 5
don s

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290, thanks.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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01-21-2015 12:45 AM  3 years agoPost 6
dchekas

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Farmington, CT

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If you are looking for bearing retainer, I'd suggest 609 or 680.

Team Align, Team Futaba, Team Byron Fuels, Team Thunder Power

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01-21-2015 12:49 AM  3 years agoPost 7
don s

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Yeah I see the whole 600 series now. The bearings are a slip fit, but the outer bearings are hard to get to. I figured wicking would be the way to go on those.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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01-21-2015 01:17 AM  3 years agoPost 8
Ace Dude

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290 is for threaded fasteners after assembly.

I use 641 for bearings on shafts and into housings.

  

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01-21-2015 01:23 AM  3 years agoPost 9
Ace Dude

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641 is commonly referred to as Super Bearing Mount.

  

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01-21-2015 02:01 AM  3 years agoPost 10
Retired2011

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290 is also for anything that is already assembled and needs a wicking product to help hold it in place...which is what the op is looking for.

Edit: I see that 641 is also for post assembly use...didn't know that.

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01-21-2015 02:48 AM  3 years agoPost 11
Dr.Ben

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That 641 is an interesting product. It would be far preferred to 290 for fixturing a bearing to a shaft. 290 will fail in that misapplication.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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01-21-2015 02:57 AM  3 years agoPost 12
Retired2011

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Lee's Summit, MO

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A lot of people have used 290 in that application for a lot of years without problem. It will wick into any opening between metal surfaces and adhere well.
Edit: I should have said green, never really knew the number.

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01-21-2015 03:33 AM  3 years agoPost 13
Ace Dude

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USA

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In my early years in the hobby I had several occasions where 290 failed when attempting to use it to mount a bearing to a cylindrical shaft. Shortly thereafter I learned not all "green" Loctite is the same product.

Bottom line is use whatever works for you.

  

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01-21-2015 03:38 AM  3 years agoPost 14
Dr.Ben

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I'm sure they do. I have also have seen firsthand it fail in high stress bearing mounting applications like start shafts on the ID's of their support bearings. 290 is designed for preassembled threaded assemblies. The shear strength of 290 is 17% less than 641 and basically half that of my preferred product, 640. People get away with a lot of misuse of loctite products because demands in most cases yield a relatively high margin for failure. My personal preference is to use the product specified for a given task and have the additonal confidence that I won't have to needlessly service or replace a part because the wrong product was used. It does mean I have about six flavors of loctite on my bench, but that's ok.

But we digress.....

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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01-21-2015 04:29 AM  3 years agoPost 15
don s

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Chesapeake, VA

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Specifically, this is for my X50 grip bearings. Since it flies without Loctited bearings as it is, I think the 641 will be fine. 640 seems too strong, almost like red Loctite.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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01-21-2015 05:01 AM  3 years agoPost 16
EEngineer

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TX

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It will wick into any opening between metal surfaces and adhere well.
That's what I'm afraid of....it'll go where I didn't intend it to go...and then adhere well......

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01-21-2015 05:12 AM  3 years agoPost 17
Dr.Ben

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Richmond, VA, USA

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Don,

I agree with your comment. You are aware that loctiting those bearings into the grips does not solve the grip slop that I bet you are seeing, right?

You've seen the correct way to shimmthe head I presume?

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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01-21-2015 05:15 AM  3 years agoPost 18
don s

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Chesapeake, VA

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I'm shimming, but I wanted to try Loctite, you know, for science.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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01-21-2015 05:19 AM  3 years agoPost 19
EEngineer

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TX

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Ben....what's your take on using the mean green to prevent bearing inner races from spinning on a shaft?

Thx

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01-21-2015 05:29 AM  3 years agoPost 20
Aaron29

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USA

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I just don't understand these practices that aren't in the manual. If it's to save the mainshaft, that makes no sense to me. Loctite isn't going to be any kinder to your mainshaft

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