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Old Oct 07, 2012, 10:36 AM
Certified Wingnut
LanceMc's Avatar
Delta BC
Joined Jul 2008
356 Posts
omega bearings

Hi guys. I'm running an Omega 130 in my 47" Extra. The motor is making some strange sounds. I think the bearings are going/gone. I searched the forums for a bearing replacement and found Boca bearings. My question is What is the difference between the regular bearings and ceramic? Which do you recommend?
Thanks
Lance
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Old Oct 07, 2012, 11:07 AM
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nebwake's Avatar
United States, NE, Lincoln
Joined Mar 2011
707 Posts
The ceramic will last longer. I replaced my stock 130's bearings with ceramic bocas and am happy although I haven't noticed a difference in performance.
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Old Oct 07, 2012, 11:12 AM
Well, now that you know ...
Bigster's Avatar
Grafton, Massachusetts, United States
Joined Sep 2004
5,604 Posts
I replaced the bearings with Boca's ceramics in my Omega 103. It was much quieter until I had a prop strike. I found another company that sells replacements for a couple bucks (non ceramic) and figured I'd try them. I haven't pulled the motor out and borrowed the arbor press to try them yet though.
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Old Oct 07, 2012, 11:52 AM
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LanceMc's Avatar
Delta BC
Joined Jul 2008
356 Posts
Quote:
Originally Posted by nebwake View Post
The ceramic will last longer. I replaced my stock 130's bearings with ceramic bocas and am happy although I haven't noticed a difference in performance.
Quote:
Originally Posted by Bigster View Post
I replaced the bearings with Boca's ceramics in my Omega 103. It was much quieter until I had a prop strike. I found another company that sells replacements for a couple bucks (non ceramic) and figured I'd try them. I haven't pulled the motor out and borrowed the arbor press to try them yet though.
Thanks guys. I took a video of the situation. Could you please take a look/listen, and tell me if this is a bearing problem?
Omega 130 (0 min 21 sec)

Thanks again
Lance
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Old Oct 07, 2012, 12:04 PM
Well, now that you know ...
Bigster's Avatar
Grafton, Massachusetts, United States
Joined Sep 2004
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The 130 in my 47" Edge and 103 in my Slick sound exactly like that. The 130 in my Vyper is perfectly quiet. The advice I was given was "Fly it.".
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Old Oct 07, 2012, 12:11 PM
220lb of Canned Heat, baby
quadracer's Avatar
United States, IN, Derby
Joined Feb 2012
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Quote:
Originally Posted by LanceMc View Post
Thanks guys. I took a video of the situation. Could you please take a look/listen, and tell me if this is a bearing problem?
http://www.youtube.com/watch?v=0uk8Q9EAFv0
Thanks again
Lance
Is your prop balanced? Sounds like it might be a bit heavy on one end.
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Old Oct 07, 2012, 12:57 PM
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LanceMc's Avatar
Delta BC
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Quote:
Originally Posted by Bigster View Post
The 130 in my 47" Edge and 103 in my Slick sound exactly like that. The 130 in my Vyper is perfectly quiet. The advice I was given was "Fly it.".
That's good to know The 130 I have in my Osiris is perfectly quiet, and this one started quiet, so I thought something was wrong

Quote:
Originally Posted by quadracer View Post
Is your prop balanced? Sounds like it might be a bit heavy on one end.
Yes the prop is balanced, but The spinner isn't. Perhaps that's the problem? Maybe, I'll try it without the spinner?

Thanks guys
Lance
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Old Oct 07, 2012, 01:23 PM
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going4speed's Avatar
USA, TX, Spring
Joined Jan 2008
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sounds like a possible timing issue
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Old Oct 07, 2012, 02:02 PM
Registered User
United States, NJ, Clayton
Joined Aug 2010
1,580 Posts
Quote:
Originally Posted by LanceMc View Post
Thanks guys. I took a video of the situation. Could you please take a look/listen, and tell me if this is a bearing problem?
http://www.youtube.com/watch?v=0uk8Q9EAFv0
Thanks again
Lance
you my friend have the "omega knock" I have seen this in several different omegas, just fly it, I have seen them last a long time with that noise and I have had one snap in half and another that burned up with that noise, for now on I buy hacker or Motrolfly
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Old Oct 07, 2012, 02:25 PM
ride hard and fly low
H.D.'s Avatar
Joined Aug 2011
585 Posts
yep, it's the "omega knock"
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Old Oct 07, 2012, 03:00 PM
Honeybadger don't care...
Luv3d's Avatar
Orlando, FL
Joined May 2010
1,514 Posts
Might be dirty bearings. You can clean the bearings, repack and replace, or I have a video about how to replace them here:

How to replace Omega130 bearings (5 min 0 sec)


I believe Boca Bearings Ceramics run smoother- I would recommend the ABEC 5 bearings. I put them in my Omega, and no more rattle- it was very smooth last time I flew it.
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Old Oct 07, 2012, 06:21 PM
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ohio
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my airplane rack.
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Old Oct 07, 2012, 06:22 PM
220lb of Canned Heat, baby
quadracer's Avatar
United States, IN, Derby
Joined Feb 2012
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Originally Posted by 3Daddict View Post
my airplane rack.
Attachment 5214211
That looks like some of my landings in the past.... LOL
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Old Oct 07, 2012, 06:29 PM
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You must have some rough landings then
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Old Oct 07, 2012, 06:30 PM
220lb of Canned Heat, baby
quadracer's Avatar
United States, IN, Derby
Joined Feb 2012
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I've hung them in the trees a couple times.... Don't hate.
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