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HelicopterAvant RC Avant Aurora - Mostro › One Way Bearing Failing?
04-08-2011 02:53 AM  6 years agoPost 1
sseppala

rrApprentice

Rindge, NH 03461

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What is the indication that the one way bearing is failing.
My new Avant e is smooth until I start flipping or rolling and then it makes a loud ticking noise until it's back to horizontal either inverted or upright. Is this the one way bearing making the noise? It also includes some vibration although not severe.
Thanks for your input. This heli is one sweet flyer other than that.
sseppala

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04-08-2011 04:00 AM  6 years agoPost 2
stang281472

rrApprentice

Commack, NY

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Not usually a clicking sound. It sounds like a rapid fluctuation or flutter in rpm of the motor as the bearing slips and then grabs again which creates a kind if shudder in the heli. Usually will only happen when head is loaded hard. One thing to note: Have seen on multiple auroras the EXACT same symptom when running spartan gyros. Had it happen on one of mine as well. Everybody that had problem swore it was one way and tsubaki didnt fix problem. We eventually figured out it was only the helis with spartans showing the issue and changing gyro is what fixed it. Not sure what gyro you are running but worth mentioning anyway. I do recommend the tsubaki bearing regardless as stock bearing is hit and miss. Some work great and some have problems right away.

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04-08-2011 04:03 AM  6 years agoPost 3
stang281472

rrApprentice

Commack, NY

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One more thing the bearing will usually show problem even on a long climbout when running at least 13 degrees pitch (I run 14) so if you dont see it showing up in a climbout assuming you have decent pitch it might not be bearing. Check that you are not getting binding in the head at full deflection.

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HelicopterAvant RC Avant Aurora - Mostro › One Way Bearing Failing?
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