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Old 06-17-2021, 06:35 AM
MDeCraene13 MDeCraene13 is offline
Join Date: Jul 2019
Location: Asheville
Posts: 17
Default Micro-Stop Cage Rebuild

My micro-stop cage was behaving erratically, so I took it apart and found a bearing that looked like the attached image.

I decided to attempt to rebuild it and posted the details on my build log here:

Build Log Post Link

The bearing I used was McMaster P/N 7806K64.

I have not used my rebuilt cage extensively, so time will tell how it holds up.
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Empennage complete except tips.
Wing complete except bottom skins and tips.
Fuselage started

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Old 06-17-2021, 08:52 AM
John Tierney John Tierney is offline
Join Date: Jan 2006
Location: Vonore, TN
Posts: 505

I'm guessing somebody used that in a drill press and pressed way too hard.
John Tierney
Vonore, TN
RV-7A - N777JT Flying
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Old 06-17-2021, 08:59 AM
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Dan 57 Dan 57 is online now
Join Date: Sep 2018
Location: LSZF
Posts: 752

well, shouldn’t happen on good quality tooling... had one those ATS cheapies bought in 1986 (...), and the Chinese balls were kinda soft (...), the resulting oblong countersinks leading to VS #3 whilst building the -4

And that was the day I decided to buy top quality tooling only
Life's short... Enjoy!

RV-6.9 #25685, slider, O-360-A3A (carb/dual Lightspeed II), MTV-12-B, HB-YLL owner & lover
RV-4 #2062 HB-YVZ airframe builder
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Old 06-17-2021, 09:23 AM
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Mike S Mike S is offline
Senior Curmudgeon
Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 16,054

Couple of those look more like cubes than balls
Mike Starkey
VAF 909

Rv-10, N210LM.

Flying as of 12/4/2010

Phase 1 done, 2/4/2011

Sold after 240+ wonderful hours of flight.

"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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Old 06-17-2021, 09:29 AM
Taltruda Taltruda is offline
Join Date: Oct 2017
Location: Las Vegas, NV
Posts: 876

I bought some used ones from fleabay, and they were all gritty and unusable. Less that 10 minutes each and I had them like new again! The bearings didn’t seem damaged, but they were dried up and crusty. I thought they were needle bearings in mine, but they might have been balls. Whatever they were, they weren’t captured, and I had to make sure I got all of them back in there with a drop of oil!
Las Vegas
RV-4 flying…
RV-8 empenage finished 10-2020

Wings Started.. 11-2020
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Old 06-17-2021, 09:52 AM
David Paule David Paule is offline
Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,997

Very nice write-up in your log, thanks!

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Old 06-18-2021, 06:32 AM
pdecraene7a pdecraene7a is offline
Join Date: Jan 2005
Posts: 154
Thumbs up micro stop

Nice airplane drawing on the work bench
Pete DeCraene
Joliet, IL
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