In the result of a series of experiments the relationships of blade flutter margin with rotor rotational speed,effective CG position of blade in chord and torsional stiffness of blade have been obtained.

• 通过激桨叶的扭转频率、测桨叶的挥舞响应，试验得到了桨叶颤振裕度与旋翼转速、桨叶弦向有效重心位置及桨叶扭转刚度之间的关系，即桨叶颤振裕度随旋翼转速的提高而降低；