Micro irratic 130

[dperry]

I had a few crashes in thick grass. After the last one HELI started misbehaving. Shortly after spool up(around 1/4 stick) the right servo starts pulling down and the tail rotor begins pitching right. Cut throttle everything returns. Throttle hold and work cyclic everything functions fine. As soon as I apply throttle does the same thing until I go back to zero then swan resets itself. Does this make any sense. Maybe blew my bec

 

[EyeStation]

Try subtrimming some left aileron to eliminate that right drift.
Or it may be a vibration is causing the board to make this correction.

 

[Graham Lawrie]

On my 150 i have thought everything was fine, but nearly always end up changing feathering shaft and main shaft when the issues dont go away the draw back with small helis, they dont like vibrations