Exam Question
With reference to rotary vane steering gears:
(a) Describe, with the aid of a sketch, how such a unit incorporates an integral rudder carrier (10)
(b) Explain how vertical rudder movement is accomodated (6)
Class 4 (4th Engineer)
MEKG
📅 May 2024
Reference Answer
### (a) Rotary Vane Steering Gear with Integral Rudder Carrier
A rotary vane steering gear with an integral rudder carrier combines the torque-generating mechanism and the rudder-supporting component into a single, compact unit. The primary function of the rudder carrier is to support the entire weight of the rudder and rudder stock while allowing it to rotate with minimal friction. In this integrated design, the steering gear housing itself serves as the main structure for the rudder carrier bearing.
#### Construction and Arrangement
The integral rudder carrier is achieved through a specific arrangement of components within the top section of the steering gear housing:
A rotary vane steering gear with an integral rudder carrier combines the torque-generating mechanism and the rudder-supporting component into a single, compact unit. The primary function of the rudder carrier is to support the entire weight of the rudder and rudder stock while allowing it to rotate with minimal friction. In this integrated design, the steering gear housing itself serves as the main structure for the rudder carrier bearing.
#### Construction and Arrangement
The integral rudder carrier is achieved through a specific arrangement of components within the top section of the steering gear housing:
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