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Diagram of the steering gear of an 18th- to 19th-century sailing ship [3]: 151 Helm of TS Golden Bear. A ship's wheel is composed of eight cylindrical wooden spokes (though sometimes as few as six or as many as ten or twelve depending on the wheel's size and how much force is needed to turn it.) shaped like balusters and all joined at a central wooden hub or nave (sometimes covered with a ...
A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, airship, or other vehicle that moves through a fluid medium (usually air or water). On an airplane , the rudder is used primarily to counter adverse yaw and p-factor and is not the primary control used to turn the airplane.
The rank and seniority of the helmsman may vary: on small vessels such as fishing vessels and yachts, the functions of the helmsman are combined with that of the skipper; on larger vessels, there is a separate officer of the watch who is responsible for the safe navigation of the ship and gives orders to the helmsman, who physically steers the ...
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In this fashion, the tiller might get as much as 20° of turn [3] though angles of between 5° and 10° seem more likely. [4] The tiller rested on a very strong horizontal wooden bar called the tiller sweep , which was sheathed in metal and coated with soap and grease to minimize the drag of the tiller as it rode across it.
Roman ship represented in a fresco of the 2nd or 3rd century in the port city of Ostia. The inscriptions reflect the name of the ship (Isis Giminiana), the name of the captain or magister (Farnaces, at the helm) and the name of the owner (Arascanius, in charge of the cargo). [4] Roman sarcophagus from the 3rd century.
Athwartships: toward the sides of a ship. [1] Aweather: toward the weather or windward side of a ship. [10] Aweigh: just clear of the sea floor, as with an anchor. [11] Below: a lower deck of the ship. [1] Belowdecks: inside or into a ship, or down to a lower deck. [12] Bilge: the underwater part of a ship between the flat of the bottom and the ...
Tiller blocked by two lines Stern compartment containing the tiller of Swedish 17th century warship Vasa. A tiller or till is a lever used to steer a vehicle. The mechanism is primarily used in watercraft, where it is attached to an outboard motor, rudder post or stock to provide leverage in the form of torque for the helmsman to turn the rudder.