Exam Question
In a Rotary vane steering gear, briefly state:
(a) How are the fixed and moving vanes attached to cylinder and rotor respectively?
(b) How many sets of vanes are provided? What is the limitation factor to number of vanes?
(c) How strength is imparted to moving vanes to enable them to act as rudder stops?
(d) What is material of vanes & how sealing is achieved at tips?
(e) How rudder uplift is accommodated?