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03-01-2010 01:37 AM  10 years ago
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nemo

rrApprentice

tyler,tx

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Clutch dust?
I have a R50 se with about a 20 flight old clutch liner in it, Os 50 hyper motor. I am starting to get clutch dust on fuel tank after a few flights. Is this anything to worry about or should I just fly it until clutch no longer grabs good anymore? Any suggestions?
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03-01-2010 02:37 AM  10 years ago
dhc8guru

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Fort Worth, Texas

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dust is normal from the clutch. You will know when it starts slipping. the engine will rev higher than usual under load.
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03-01-2010 03:17 AM  10 years ago
jschenck

rrProfessor

La Vista, NE.

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I'd be concerned that it's not from the clutch. Unless you have had a hot start I'd bet that it may be a bearing going out, specifically the pinion bearing. If it starts to slip it'll eat the pinion and get that dark gray gook all over the place. One sign is the clutch bell moves around too much when you press on it. Could be something else also, take a look at other things before chalking it up to clutch dust.
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03-01-2010 03:19 AM  10 years ago
wifeorheli

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reno, nevada usa

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if you have a hot start your liner still good right?
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03-01-2010 03:24 AM  10 years ago
jschenck

rrProfessor

La Vista, NE.

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Depends on how hot that start was. It only takes a few seconds of you hanging on to the blades grips with the engine a full throttle to rip the lining out of your clutch bell. My First hot start resulted in the entire clutch liner on the ground all nicely ground into a fine dusty pile. If you can catch it as soon as it starts and kill the engine you might be ok. But to be safe you should clean out the engine as it likely sucked in some clutch dust (NOT good for the engine) and measure your clutch gap. Relining the bell is not a hard job and could save you from a broken clutch.
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