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Wobbly in flight
The heli wobbles in flight but doesn't crash.
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NickL135
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June 22, 2012 - 7:42 am

Hi everyone!    I have a Syma S107  that is wobbling in flight.   It wobbles badly during run-up.    Can someone tell me what could be wrong?

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CPD
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June 22, 2012 - 10:06 am

Something's either off balance or bent. How exactly does it wobble? Does it yaw side to side, swing around in a small circle, wobble/pitch all around, or what? That would help greatly in trying to figure out the issue.

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NickL135
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June 23, 2012 - 4:15 am

If you ask me, it's shaking while the motors are running.

 

It will shake badly while spooling up the motors.   I know it doesn't yaw side to side and it doesn't do the so-called toilet bowl effect...   I think it wobbles and pitch all around while in controlled flight.   But It won't go out of control and crash.   I hope that info helps.

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NickL135
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Guests
June 24, 2012 - 7:14 am

I think the rotor shaft is wobbling.  Could be caused by the helicopter corpus.

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CPD
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Guests
June 28, 2012 - 11:21 pm

There's a lot of things that'll make it do that. Could be a gear somewhere grinding and shaking, could be the shaft. Try lightly lubing up the shaft, and looking if it's bent somewhere.

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