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Atom 500 Compass Atom 500 Model Helicopter Discussion


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Old 01-03-2014, 08:27 PM   #1 (permalink)
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Lightbulb Atom 500 / 550 Bearing Guide

Was missing a few bearings and nobody seemed to have a comprehensive list of all needed Atom 500 / 550 bearings, so rolled up my sleeves and made one. Hopefully we can get this stickied for future reference incase anybody else needs the list in the future.
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Last edited by SamCassidy; 01-04-2014 at 06:17 PM..
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Old 01-03-2014, 08:33 PM   #2 (permalink)
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Ball Bearing 2.5x6x2.5 - http://www.prostarhobby.com/product-p/60-2562.htm
Ball Bearing 6x12x4 - http://www.prostarhobby.com/product-p/60-6124.htm
Ball Bearing 10x15x3 - http://www.prostarhobby.com/product-p/60-10153.htm
Ball Bearing 8x16x5 - http://www.prostarhobby.com/product-p/60-8165.htm
Ball Bearing 4x9x4 - http://www.prostarhobby.com/product-p/60-4094.htm

Flanged Bearing 2.5x6x2.6 - http://www.prostarhobby.com/product-p/61-2562.htm
Flanged Bearing 3x6x2 - http://www.prostarhobby.com/product-p/61-3062.htm
Flanged Bearing 2x5x2.5 - http://www.prostarhobby.com/product-p/61-2052.htm
Flanged Bearing 2.5x6x2.6 - http://www.prostarhobby.com/product-p/61-2562.htm
Flanged Bearing 3x8x4 - http://www.prostarhobby.com/product-p/61-3084.htm
Flanged Bearing 4x10x4 - http://www.prostarhobby.com/product-p/61-4104.htm
Flanged Bearing 6x10x3 - http://www.prostarhobby.com/product-p/61-6103.htm

Thrust Bearing 6x12x4.5 - http://www.prostarhobby.com/product-p/63-61245.htm
Thrust Bearing 4x9x4 - http://www.prostarhobby.com/product-p/63-4094.htm

Total: $121.17

* If somebody could go through and post up what exactly each of these is for it would be super helpful as well!
** This is omitting the one way bearing!
*** If I missed any by chance PLEASE let me know!

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Old 01-03-2014, 11:39 PM   #3 (permalink)
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Ball Bearing 2.5x6x2.5 - Flybar
Ball Bearing 6x12x4 - Main rotor grips
Ball Bearing 10x15x3 - Main gear hub
Ball Bearing 8x16x5 - Main shaft
Ball Bearing 4x9x4 - Tail rotor grips

Flanged Bearing 2.5x6x2.6 - Flybar mixing arms
Flanged Bearing 3x6x2 - Flybar seesaw; FBL linkage yoke
Flanged Bearing 2x5x2.5 - Flybar washout angle arm
Flanged Bearing 3x8x4 - Belt idler pulleys
Flanged Bearing 4x10x4 - Tail case
Flanged Bearing 6x10x3 - Tail pitch slider

Thrust Bearing 6x12x4.5 - Main rotor grips
Thrust Bearing 4x9x4 - Tail rotor grips

You listed "Flanged Bearing 2.5x6x2.6" twice, so I removed the duplicate from my list.
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Old 01-03-2014, 11:55 PM   #4 (permalink)
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Go hear http://www.bocabearings.com/search.a...Name=&Feature=

Boca has complete bearing kits for all the compass models.
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Old 01-04-2014, 09:14 AM   #5 (permalink)
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Quote:
Originally Posted by Vladconnery View Post
Go hear http://www.bocabearings.com/search.a...Name=&Feature=

Boca has complete bearing kits for all the compass models.
+1 yes they do. except for those flybar bearings (which i didn't think was needed any more), the thrust bearings, and one way bearing (forgot to add these) but they can be added if you email them.
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Old 01-04-2014, 11:35 AM   #6 (permalink)
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My HF Map location
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Quote:
Originally Posted by TheBum View Post
You listed "Flanged Bearing 2.5x6x2.6" twice, so I removed the duplicate from my list.
Thank you Alan! Oversight on my part. Appreciate the sticky too.

Quote:
Originally Posted by Vladconnery View Post
Go hear http://www.bocabearings.com/search.a...Name=&Feature=

Boca has complete bearing kits for all the compass models.
Thank you! I have been looking for this one for a few days! Can you say anything ceramic vs. steel wise on the Boca's? I have had very good experiences with their bearings in the past.

Quote:
Originally Posted by tony521 View Post
+1 yes they do. except for those flybar bearings (which i didn't think was needed any more), the thrust bearings, and one way bearing (forgot to add these) but they can be added if you email them.
This kit does have the two radial bearings for the autorotation / one way assembly, correct?
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Old 01-04-2014, 02:51 PM   #7 (permalink)
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Hey Sam, yes the kit does have the radial bearings for the one way bearing, i just had them change it to a 3mm thick vice the 4mm. the only thing that's missing is what i had mentioned earlier. I personally have been using the steel bearings, and they are working great.
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Old 01-12-2014, 09:37 PM   #8 (permalink)
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Just got my kit from BOCA. Highly recommended. Came in 3 days, packaged very well.
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Compass Atom 550
V-Bar Mini 5.3 Pro / OMG LTD025025c Cyclic / OMG Hdt065070b tail / Castle Talon 90 - Cyclone 505 - KBDD 80.6 - Scorpion HKIII 4020-1100
OMG RC USA Sales Rep http://omgrcusa.com
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