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An Attempt R277 Upgrade.  This thread currently has 223 views. Print
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Phil
February 20, 2020, 12:34am Report to Moderator

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Hi Guys,
This R277 has not yet break-in. I'm not sure if it has cageless bearing in photo shown.
I was thinking this has caged bearing. Can you guys vertify what inside? I was expecting circlip on this side. But it looked like a spring ring?
Need your assistance. Please chime in.
Thanks,
Phil



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Phil
February 20, 2020, 8:43am Report to Moderator

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Done.



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BlueMax
February 21, 2020, 4:34pm Report to Moderator

1550 Vmax w/ Eros canopy mod
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Phil,

The Stock piston pin bearings in the 277 are caged but I believe most people upgrade to cageless at overhaul.

Chris


Remember, in aviation death sentences are administered by the laws of physics, not the FAA.
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Phil
February 22, 2020, 11:53am Report to Moderator

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Quoted from BlueMax
Phil,

The Stock piston pin bearings in the 277 are caged but I believe most people upgrade to cageless at overhaul.

Chris


Chris,

I remember reading somewhere regarding caged bearing issue that failure took placed at only 50 hrs.
So I decided to do update before breaking-in this includes changing carb plastic cup with o-ring.

Phil
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