Stock: It turns the rudder, passing vertically upwards to the steering gear through a watertight rudder trunk. Rudder stock is usually connected by bolted coupling so that rudder can be removed for maintenance without disturbing stock.
Bearings:- Weight of the rudder is taken by the combination of upper and lower bearing.
Drain Plug:- Drain plugs are provided for the drainage of water
Lifting tube:- it is fitted to allow unlifting of the rudder.
Rudder Pintle:- Pindle is a pin or bolt, which is used as a part of a pivot or hinge.
Types of rudders
>Spade or Balanced rudder
>Semi balanced
>Unbalanced
