head lock gyro special for 450 size helicopter 100% brand new. Titan 720 adopts AVCS(Angular Vector Control),which makes the fuction of head lock more outstanding andsteady,it is a gyro with function of dual rate head lock.AVCS System: Since the rudder trim changes (caused by wind and other meteorological changes);the front, rear, and other heli attitudes change and are automaticall cancelled; ...
