Class 2 (2nd Engineer) MEKG 📅 Mar 2025

Exam Question

(a) Describe with the aid of sketches where necessary a vane type steering gear showing how to weight of the rudder and stock are carried and the arrangement that allow for wear down (6)

(b) State how the vanes described in (a) are secured and the method of sealing the edges. (5)

Reference Answer

### (a) Vane Type Steering Gear: Construction, Weight Support & Wear Down Allowance
**Construction and Operation:**
A rotary vane steering gear operates on the principle of applying hydraulic pressure to movable vanes, causing them to rotate within a fixed housing. The main components are:
* **Stator:** A cylindrical housing fixed securely to the ship's structure, typically integrated with the steering gear deck stool. It contains a set of fixed vanes projecting radially inwards.

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