Originally Posted by supermoth
That is a good question.
Till a few days ago I did not know the difference between the rates.I try to fly in rate 2.I did not play that much with the throttle trim tab.Is that important?.I am still a rookie
Yes. The trim tabs control the movement of the rudders and throttle. Try them, and you will see small movements of the rudders. Use them to get the rudders correct aligned. The throttle trim tab control when the motor start or stop. Try it too. Maybe if you click the tab downwards the motor will stop when you throttle down.
In rate two the manual says that you have not the same fine adjustment on the throttle curve as in rate one. But I fly in rate two, for larger rudder throws. And have no trouble with spinning propeller.
P.S. The manual is not useless. Look at side 18, for throttle trim.