General rudder issue

jmerl

Member
Got my heli flying perfect (130x) and about two minutes into flight it starts to spin uncontrolably until it crashes. Next flight does the same thing. Checked gears, cleaned servo. Everything appears intact and tight. When checking trim I notice blades on tail slowly work there way to the right. I adjusted trim so they maintain neutral but still did it in next flight. Spun out of control. Any suggestions?
 
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