The rudder device keyway to hole keyway , Hole of the conical hole, Not run through the holes, Moreover structure of two key connection , Large size , High precision machining.
舵装置的键槽是内孔键槽，孔为锥孔、盲孔，而且采用双键联接结构，尺寸大，加工精度较高。
2
Rudder movement asymmetry is controlled by the fore and aft location of the "pickup" hole on the elevator horn.
鲁德尔运动不对称是受脱颖而出和“皮卡”在电梯喇叭孔船尾的位置。
3
Mr. Superintend, the hole of the lower rudder pintle damaged. It needs to be bored.