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Waterproofing is the process of making an object, person or structure waterproof or water-resistant so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions.
Antiroll tanks are tanks fitted onto ships in order to improve the ship's response to roll motion. Fitted with baffles intended to slow the rate of water transfer from the port side of the tank to the starboard side and the reverse, the tanks are designed such that a larger amount of water is trapped on the higher side of the vessel.
As a result of increasing tank losses to shaped-charge weapons, another type of panel that could enter production in only a few weeks was designed. This new type of panel used 1 + 1 ⁄ 2 -inch mild steel instead of armour steel, and had a two-inch plate of 21ST aluminium alloy backing the face plate for reinforcement.
Oakum and tools for caulking Hemp Prisoners picking oakum at Coldbath Fields Prison in London. Oakum is a preparation of tarred fibers used to seal gaps. Its traditional application was in shipbuilding for caulking or packing the joints of timbers in wooden vessels and the deck planking of iron and steel ships. [1]
These ships are wider than the new Panama Canal locks. They also cannot travel through the Suez Canal unless on a ballast voyage. The coatings in the ballast tanks are protected by two features, a full-time double-scrubbing system supplying drier inert gas to the ballast tanks, and also by the white painted upper hull reflecting the sun’s ...
Compartmentalisation of a ship, to reduce floodability Parts of a water-tight compartment. Floodability is the susceptibility of a ship's construction to flooding.It also refers to the ability to intentionally flood certain areas of the hull for damage control purposes, or to increase stability, which is particularly important in combat vessels, which often face the possibility of serious hull ...
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A ship able to remain afloat with any two compartments flooded is called a three-compartment ship, and will withstand damage to one transverse bulkhead. [ 11 ] After the Titanic sinking , safety standards recommended spacing transverse bulkheads so no single point of damage would either submerge the end of the upper bulkhead deck or reduce ...