@keeyen wrote:
Anticipating venture into traditional heli as a main VTOL machine, I learn to set up my old Trex 450 with APM 2.7. I manage to set the rate roll / pitch and yaw and use other parameter as per manual. I manage to get it hover in stabilized mode. When I switch to Alt Hold mode, the model spin up as I activate the switch, I advance the throttle / pitch over 50 %, nothing change or happen, as I continue to advance the throttle, to a point where the heli start to lift off, immediately it goes up and down violently and the main blade pull off from the blade holder within seconds and crash.
As I'm completely new in traditional heli, I'm not sure what parameter control this behavior and the manual seems do not offer more info in this area.
Any help will be much appreciate. Thanks
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