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Old Oct 08, 2012, 08:44 PM
harmony is offline
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I have the original and yellow V911s with turnigy 9X using open9x, and there was no problem.
(Yellow one has a small problem about binding. Whenever I plug a battery to the heli, I need to bind it with a radio.)

But after crashing the yellow one to wall yesterday, I found a new problem.
If I slowly increase the throttle, the yellow heli first starts to rotate a main rotor. But suddenly it stops rotating a main rotor. But, if I instantly move up the throttle with full power, it flew well.
The battery was fully charged and checked it with the original V911.

I tried to figure out the problem, but I have no idea yet.
What parts should be replaced? board? main motor?
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