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HomeAircraftHelicopterMain Discussion › Rubbing clutch bell
11-04-2004 02:04 PM  13 years agoPost 1
Tailspinner

rrVeteran

JAMAICA, NY

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Fired up the Raptor 30 v2, had to shut it down after 1/2 a tank though. ( time to pick the kids up from school and the sitter)
When I came back to it, she wouldn't start. The main gear couldn't be turned in either direction. I tore it down, checked all the parts and bearings, and rebuilt it.
Now I have a rubbing between the clutch bell and the clutch. The bearings were fine, the frame was fine, I can't figure this thing out. It's as if the bell is out of round.
Does anyone have any idea what might be the problem?

Are you on the list?

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11-04-2004 02:17 PM  13 years agoPost 2
z11355

rrMaster

New England

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the general problem in situations like this
is that the fan nut on the crankshaft has loosened
and it and the fan itself have backed off a little bit
causing the binding.

In your description, I didn't see you mention
that you removed the clutch from the
fan/engine stack to check the nut/fun. You need
to do that.

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11-04-2004 02:21 PM  13 years agoPost 3
Saint728

rrProfessor

Honolulu, Hawaii

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You might want to check your one way bearing on the clutch? If you can't turn the main shaft and the main gear separatly, then it has to be the one way bearing in the autorotation unit. You might want to upgrade to a good one TT has available.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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