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The strength of ships is a topic of key interest to naval architects and shipbuilders. Ships which are built too strong are heavy, slow, and cost extra money to build and operate since they weigh more, whilst ships which are built too weakly suffer from minor hull damage and in some extreme cases catastrophic failure and sinking.
The powder magazine rooms are separated from the turret platforms by a pair of 1.5-inch STS annular bulkheads under the barbettes for flashback protection. [72] The installation of armor on the Iowa s also differed from those of earlier battleships in that the armor was installed while the ships were still "on the way" rather than after the ...
The S-II's common bulkhead design was tested in 1965 on the subscale Common Bulkhead Test Tank (CBTT), made of only 2 LH2 tank cylinders. [4] The LOX tank was an ellipsoidal container of 10 meters diameter and 6.7 meters high holding up to 83,000 US gallons (310 m 3) or 789,000 pounds (358 t) of oxidizer. [5]
The bulkhead, left, prevents water from entering at Lock and Dam No. 2 so work can be done on the gates to the chamber, right, Jan. 30 on the Mississippi River in Hastings, Minnesota.
The underwater protection was an internal "bulge" that consists of four longitudinal torpedo bulkheads forming a multi-layered system designed to absorb the energy from an underwater explosion equivalent to 700 pounds of TNT (1.3 GJ). The protection system was designed for the torpedo bulkheads to deform and absorb energy while several ...
[62] [35] This bulkhead had to be able to insulate against the 126 °F (70 °C) temperature difference between the two tanks. The use of a common bulkhead saved 7,900 pounds (3.6 t) by both eliminating one bulkhead and reducing the stage's length. [35] Like the S-IC, the S-II was transported from its manufacturing plant to Cape Kennedy by sea. [63]
In multi-bulkhead systems, the innermost bulkhead is commonly referred to as the "holding bulkhead", [5] and often this bulkhead would be manufactured from high-tensile steel that could deform and absorb the pressure pulse from a torpedo hit without breaking. If the final bulkhead was at least 37 mm thick, it may also be referred to as an ...
A compartment is a portion of the space within a ship defined vertically between decks and horizontally between bulkheads.It is analogous to a room within a building, and may provide watertight subdivision of the ship's hull important in retaining buoyancy if the hull is damaged.