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Gyros FAQ

My tail bounces a lot during hard tail moves, have I set up my GY520 incorrectly?

Bouncing will take place when the gyro operation speed and the heli's operational speed do not match.

If you are having "bouncing" during hard tail stops, it may be because the response of the gyro is faster than the heli tail movement caused by too fast of a response setting.

Different brands of helicopters use different gear ratios. In order to get the optimum performance between the GY520 and all brands of helicopter, you can either adjust the rudder delay in your transmitter, or change the servo response setting to a slower speed to help resolve any issues. (Example: From Fast>Reference>Slow)

The CIU-2 parameter setting option will offer a more detailed setting with the AVCS response setting menu.

In other circumstances, if your heli has too hard of a stop, and there is no bounce. You can use the methods above also. The pirouette consistency menu on the CIU-2 programming can be set to a value lower than 7 also, for more moderate operation of the rudder control. You may also adjust the AVCS Right Out and Left Out if your transmitter does not have rudder delay.

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