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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Is this a bad front bearing
02-09-2006 06:46 AM  12 years agoPost 1
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rrApprentice

Central , Queensland, Australia

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I have a rap 30 with a TT39H motor and have been flying this successfully for about 12 months now with no drama until today when I landed to refuel I noticed fuel all over the top of the fuel tank and on mostly the muffler side of the motor and on the bottom side of the fan. This motor hasnt missed a beat and is still runnin sweat, could this be a bad front bearing.

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02-09-2006 02:31 PM  12 years agoPost 2
Doug

rrElite Veteran

Port Saint Luice Florida....

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The TT is noted for the front bearing being a bit "juicy" You might try a new bearing but be aware that most bearing "seals" are just dust shields and not intended to seal fuel in. The proper way is with a "wind back" seal or have the front bearing vent "timed" to the crank case depression (OS)

First member of Member of Bearings Anonymous

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02-12-2006 04:35 AM  12 years agoPost 3
tylerexpress

rrApprentice

Bossier City, LA

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is your muffler a comming loose from the motor?

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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Is this a bad front bearing
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