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HomeAircraftHelicopterHIROBOOther › Freya Evo one-way bearing
02-12-2006 01:47 AM  12 years agoPost 1
yapjy

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Singapore

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Hi,
I was trying to help a flying buddy trouble shoot a Freya Evo.
We disassembled the main gear and wanted to inspect the one-way bearing.

To our surpise, the metal outer case of the one way bearing was stuck onto the case of the auto-hub while the plastic central piece that holds the small metal rollers fell out.

Worse still, the metal rollers didn't stay in the plastic piece and fell out one by one too.

Is there something wrong? I remember seeing some pictures of the newer one-way bearing but they don't look like the one we had in that Freya Evo.

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02-12-2006 01:49 AM  12 years agoPost 2
z11355

rrMaster

New England

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well, obviously, the bearing completely disintegrated on your friends
machine.

remove the metal shell of the old one, purchase a new style one
and install

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02-12-2006 03:10 AM  12 years agoPost 3
ripper

rrApprentice

Maryland

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The Evo one way is of the newer design. If it does not slide in the plastic housing freely, it may crack or break. Try lighty sanding the ribs of the plastic so that it will slide smoothly. Then, apply a small coating of grease to the outer portion of the bearing. This works well.

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02-12-2006 04:30 AM  12 years agoPost 4
yapjy

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Singapore

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Sand the ribs? That plastic central piece look so fragile.

This one-way bearing came with the Freya Evo kit.

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02-12-2006 05:12 AM  12 years agoPost 5
angelob

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Stoughton WI

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I think the ribs ripper is referring to are the corners in the one-way housing, not the bearing itself. Check out the following topic by Augusto:

http://runryder.com/t55473p1

Especially the part about the freya one-way. Excellent info.

Angelo

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02-12-2006 01:23 PM  12 years agoPost 6
white chocolate

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Baltimore, Md.

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There isnt much to these bearings. Just put the plastic piece back in about the third of the way and put the rollers back in their slots. Youll be fine. Unless the bearing is toasted and the plastic is all broken. If not just put it back together the way it came apart. The ribs Ripper is talking about are the ribs on the inside of the hub. Im not 100% sure you want to do that on the plastic hub. I think when Augusto did that mod it was on the metal one because the metal didnt give at all. The plastic probably give alittle more so Im not sure if you need to do that. Maybe alittle to help get it out. Maybe Augusto can chime in here if it needs to be done on plastic too.

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02-13-2006 07:01 PM  12 years agoPost 7
SolarXtreme

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Arroyo Grande, CA

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Mine lasted about 300 flights. It basically fell out of the casing and roller pins went everywere. I consider the one way to be a dispensable item like head dampners. A replacement one way bearing is $20. The bearing never completely failed it just started to slip under heavy load transitions.
.

I picked a hell of a day to quit drinking

Avant EFX
Freya EVO

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02-14-2006 01:15 AM  12 years agoPost 8
Agilefalcon

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Fort Worth, Texas

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The inner part of the bearing does slide out of the bearing "can." Do what White Chocolate says to reasseble. I found that using some synthetic grease helps to keep the needle rollers in place while you pack the bearing together.

Chris.

Chris Berardi
Team BobbyJack's Hobbies

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