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05-27-2013 02:19 PM  5 years agoPost 1
Pascal-KC

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Kansas City, KS, USA

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Hello all,

Has anyone else had issues with the G20 HP Clutch Shoe ( part # HW6011GA)?

I installed a brand new HP clutch shoe / bell pair on my heli last week, but my attempts to start the engine using a starter failed as the clutch's one way bearing does not work well (i.e. it does not lock reliably and the starting shaft fails to spin the engine shaft). Has anyone else had similar issues?

I am planning to go back to the regular clutch shoe / bell pair and contact heli-world with hope of a HP clutch shoe replacement.

Pascal

Team Mikado, Team Revolectrix, KBDD Team Pilot

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05-27-2013 07:45 PM  5 years agoPost 2
rhodesengr

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Pleasanton, CA USA

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I am having a similar issue with the OWB in a new Lynx clutch. I posted and researched it. Mine is intermittent. Sometimes it catches and sometimes not.

The consensus seems to relate to the kind of lubrication used. I put some thick grease on the starter shaft. Seems this was a mistake. Grease can cause the OWB to slip. The general advice is to clean out all lubrication in the OWB (iso alchohol is often suggested) and then lube with a small amount of ATF (automatic tranmission fluid).

I would have to do a major strip down to try this so I have been living with the intermittent operation but next time I have it all aprt, this is what I will try. Please post back if you try this and it solves the problem.

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05-28-2013 03:39 AM  5 years agoPost 3
Pascal-KC

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Kansas City, KS, USA

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Thanks for the input. I will definitely try this and let you know. My heli is still disassembled, so it should not be too hard.

Team Mikado, Team Revolectrix, KBDD Team Pilot

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05-28-2013 08:38 PM  5 years agoPost 4
Gearhead

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Vt

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it may sound funny, but it is my opinion that Oneway Bearings need to be broken-in, or that they should be work some before installed,
I have seen good quality Oneway Bearings (that I bought at a Bearing Shop) not work out of the bag,
so I put them on a shaft and set down at the Tv and worked the Bearing back and forth by hand on the shaft for a good 10 minutes, after a while I put more pressure on them, after that they work great with no problems

now that may sound funny do to the fact that Oneway Bearing's are not overly complex, but their tiny parts have to fit into each correctly to work correctly, just work them in when new

Jim
Buzz Buzz Buzz

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05-28-2013 09:59 PM  5 years agoPost 5
rhodesengr

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Pleasanton, CA USA

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certainly worth trying for me since its a lot less work than a tear down. Thanks for the idea.

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05-28-2013 10:43 PM  5 years agoPost 6
DVS11

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Valencia, CA USA

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See this link
https://rc.runryder.com/t...=freya+auto+hub

Read the entire article to understand how Torrington bearings work. There is also a good explanation of the "required lubrication" both inside and outside the case. Hope this helps. Don

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05-28-2013 10:57 PM  5 years agoPost 7
DVS11

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Valencia, CA USA

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If the link
does not work copy it and paste it into your browser.

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05-29-2013 12:15 AM  5 years agoPost 8
Gearhead

rrMaster

Vt

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here's another, with photos, hope it works

https://rc.runryder.com/t55473p1/

Jim
Buzz Buzz Buzz

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05-29-2013 01:34 PM  5 years agoPost 9
Pascal-KC

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Kansas City, KS, USA

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Thank you all. I will give it a try and will let you know.

Team Mikado, Team Revolectrix, KBDD Team Pilot

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05-29-2013 07:43 PM  5 years agoPost 10
Gearhead

rrMaster

Vt

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when you work-in the bearing put some side pressure on it (all around the bearing), this will put pressure on the Needles, this will work the Needles into the grease

Jim
Buzz Buzz Buzz

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06-03-2013 02:08 AM  5 years agoPost 11
Pascal-KC

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Kansas City, KS, USA

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I think I have done everything as suggested on this thread, put the heli back together... Still: the one way bearing holds when pushed by hand, but does not hold with the starter. I decided to go ahead and use the pull starter... Not much success yet...

Team Mikado, Team Revolectrix, KBDD Team Pilot

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