Rudder wear down measurement: (Ram type Steering Gear )
At sea:
1)Jumping clearance or bouncing clearance,measured between swivel block and upper ram fork end. (lmit is 19mm)
2)Wear down clearance,measured between swil block and bottom ram fork end. (limit is 12-19mm)
At docking:
1)Bouncing clearance: measured betwen top ofrudde and jmpng bar.
2)Wear down clearance: beween the bottom of rudder and reference mark.
Rudder drop is typically measured by the amount of deflection or displacement of the rudder from its neutral position. This is usually expressed in degrees of rotation or in millimeters of movement. Measurement can be done manually by visual inspection or may be gathered using sensors or instruments connected to the rudder mechanism.
Of the ship
A ship's rudder is used to change the direction of the ship. The rudder is typically located at the rear of the ship and is controlled by a steering wheel or a tiller. By turning the rudder, the flow of water is redirected, causing the ship to turn.
With a rudder
It helps stear, the size of the rudder depends on the size of the ship
to be able to steer a ship with complete control. without ship rudder many people would tip over when there on a boat.
magnetic compass
Rudder trunk is a space between carrier bearing and bush of the rudder stock of a ship's and the space is located just above rudder.
A rudder is a blade at the back of a boat or ship that is used to change directions. In other words, it's used to steer!
ya mum
That component is called the rudder.
When torpedoes bent the rudder of the battleship Bismarck to one side, the ship could only continuously turn in circles.