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Enhance your purchase. A chronicle of the perilous missions of one of the most illustrious battleships of the US Navy – the "Iowa" class. It traces both the combat and peacetime careers of iowa class – iowa class: vessels and the changes in their appearance, equipment, weaponry and structure, from World Читать далее II to the present.
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Verified Purchase. This book is an easy read, giving iowa class – iowa class: background information and an overview of the US use of fast battleships. I bought this book to learn more about these ships and this is great. Has a lot of good technical info on them and a great amount on their history. I recomend this for anyone that wants to learn more on these ships. Wonderful pictures. Technical, but easy to read.
I found it necessary to take my time reading this book. There is so much in-between the covers. A great one to адрес страницы before getting into more books about these amazing ships.
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Iowa class – iowa class:
Mark 12 guns. Four were completed; two more were laid down but canceled at war's end and scrapped. Like other third-generation American battleships, the Iowa class followed the design pattern set forth in the preceding North Carolina -class and South Dakota -class battleships, which emphasized speed and the secondary and anti-aircraft batteries. Between the mids and the early s, the Iowa -class battleships fought in four U. All four were reactivated and armed with missiles during the s as part of the ship Navy initiative; during 's Operation Desert Storm , Missouri and Wisconsin fired missiles and inch mm guns at Iraqi targets.
Costly to maintain, the battleships were decommissioned during the post- Cold War drawdown in the early s. All four were initially removed from the Naval Vessel Register ; however, the United States Congress compelled the Navy to reinstate two of them on the grounds that existing naval gunfire support would be inadequate for amphibious operations. This resulted in a lengthy debate over whether battleships should have a role in the modern navy.
Ultimately, all four ships were stricken from the Naval Vessel Register and released for donation to non-profit organizations. With the transfer of Iowa in , all four are part of various non-profit maritime museums across the U.
Work on what would eventually become the Iowa -class battleships began on the first study in early at the direction of Admiral Thomas C. Hart , head of the General Board. Another design, pursued by the Design Division section of the Bureau of Construction and Repair , was a "cruiser-killer. Their plan fulfilled these requirements with a ship of 50, long tons 51, t , but Chantry believed that more could be done if the ship were to be this large; with a displacement greater than that of most battleships, its armor would only have protected it against the 8-inch mm weapons carried by heavy cruisers.
Three improved plans—"A", "B", and "C"—were designed at the end of January. An increase in draft, vast additions to the armor, [N 1] and the substitution of twelve 6-inch mm guns in the secondary battery was common between the three designs.
It required , shaft horsepower shp to make It also carried only nine inch guns, in three triple turrets. The weight required for this and a longer belt— feet m , compared with feet m for "B"—meant that the ship was 55, long tons 56, t.
The board requested an entirely new design study, focusing on increasing the size of the 35, ton South Dakota class. However, further studies revealed major problems with the estimates. The speed of the ships meant that more freeboard would be needed both fore and amidships, the latter requiring an additional foot of armored freeboard. Along with this came the associated weight in supporting these new strains: the structure of the ship had to be reinforced and the power plant enlarged to avoid a drop in speed.
In all, about 2, long tons 2, t had to be added, and the large margin the navy designers had previously thought they had—roughly 5, long tons 5, t —was suddenly vanishing. It also allowed the draft of the ships to be increased, meaning that the ships could be shortened lowering weight and the power reduced since a narrower beam reduces drag.
The caliber gun weighed some long tons t more than the 45 caliber did; the barbette size also had to be increased so the total weight gain was about 2, long tons 2, t , putting the ship at a total of 46, long tons 47, t —well over the 45, long ton limit. An apparent savior appeared in a Bureau of Ordnance preliminary design for a turret that could carry the 50 caliber guns in a smaller barbette.
This breakthrough was shown to the General Board as part of a series of designs on 2 June However, the Bureau of Ordnance continued working on a larger barbette design, while the Bureau of Construction and Repair utilized the smaller barbettes in the final planning of the new battleships.
As the bureaus were independent of one another, they did not realize that the two plans could not go together until November , when the design was in the final stages of refinement. By this time, the ships could not use the larger barbette, as it would require massive alterations to the design and would result in substantial weight penalties. The General Board was astounded; one member asked the head of the Bureau of Ordnance if it had occurred to him that Construction and Repair would have wanted to know what turret his subordinates were working on "as a matter of common sense".
A complete scrapping of plans was only avoided when designers within the Bureau of Ordnance were able to design a new caliber gun, the Mark 7 , that was both lighter and smaller in outside diameter; this allowed it to be placed in a turret that would fit in the smaller barbette.
As drew to a close the design of the Iowa s was nearly complete, but it would continuously evolve as the battleships were under construction.
These revisions included changing the design of the foremast, replacing the original 1. The result of this was clearly beneficial: "The prospective effect of flooding was roughly halved and the number of uptakes and hence of openings in the third deck greatly reduced.
For half a century prior to laying [the Iowa class] down, the U. Navy had consistently advocated armor and firepower at the expense of speed. Even in adopting fast battleships of the North Carolina class , it had preferred the slower of two alternative designs.
Great and expensive improvements in machinery design had been used to minimize the increased power on the designs rather than make extraordinary powerful machinery hence much higher speed practical.
Yet the four largest battleships the U. Navy produced were not much more than knot versions of the knot, 35, tonners that had preceded them. The Iowa s showed no advance at all in protection over the South Dakota s. The principal armament improvement was a more powerful inch gun, 5 calibers longer. Ten thousand tons was a very great deal to pay for 6 knots. A view of the door and inch mm thick armored citadel of the battleship New Jersey.
Like all battleships, the Iowa s carried heavy armor protection against shellfire and bombs with significant underwater protection against torpedoes. The magazines and engine rooms were protected by an armored belt The extra armor provided protection from fire directly ahead, which was considered more likely given the high speed of the Iowa class. The Iowa -class torpedo defense was virtually the same as the South Dakota ' s.
Each side of the ship was protected below the waterline by two tanks mounted outside the belt armor , and separated by a bulkhead. These tanks were initially planned to be empty, but in practice were filled with water or fuel oil. The armored belt tapered to a thickness of 4 inches mm below the waterline. Behind the armored belt there was a void, and then another bulkhead. The outer hull was intended to detonate a torpedo, with the outer two compartments absorbing the shock and with any splinters or debris being stopped by the armored belt and the empty compartment behind it.
In the Navy discovered that this system was considerably less effective than earlier torpedo defense systems, but by then it was too late to change the design. These guns fire explosive— and armor-piercing shells, and can fire a inch mm shell approximately The guns are 66 feet 20 m long 50 times their inch mm bore, or 50 calibers from breechface to muzzle.
About 43 feet 13 m protrudes from the gun house. Each gun weighs about , pounds , kg without the breech, or , pounds , kg with the breech. The maximum firing rate for each gun is two rounds per minute. Each gun rests within an armored turret, but only the top of the turret protrudes above the main deck. The turret extends either four decks Turrets 1 and 3 or five decks Turret 2 down.
The lower spaces contain rooms for handling the projectiles and storing the powder bags used to fire them. Each turret required a crew of between 85 and men to operate.
The ship could fire any combination of its guns, including a broadside of all nine. The large-caliber guns were designed to fire two different conventional inch mm shells: the armor-piercing Mk. At 35, yards 20 mi; 32 km , a shell from a 45 cal would strike a ship at an angle of In the s, the W23, an adaptation of the W19 nuclear artillery shell was developed specifically for the inch mm guns.
The shell had an estimated yield of 15 to 20 kilotons of TNT 63, to 84, GJ , [30] and its introduction made the Iowa -class battleship's 16 in guns the world's largest nuclear artillery , [31] and made these four battleships the only U. Navy ships ever to have nuclear shells for naval guns. In keeping with tradition, a 5-inch gun mount on each Iowa -class battleship was manned by the ship's Marine Detachment. Originally designed to be mounted upon destroyers built in the s, these guns were so successful that they were added to a myriad of American ships during the Second World War, including every major ship type and many smaller warships constructed between and They were considered to be "highly reliable, robust and accurate" by the Navy's Bureau of Ordnance.
It was The guns' elevation could be raised or lowered at about 15 degrees per second. They could be turned at about 25 degrees per second. However, this did not mean that it possessed inferior anti-air abilities. As proven during gunnery tests conducted aboard North Carolina the gun could consistently shoot down aircraft flying at 12,—13, feet 2.
The removal of four of the gun mounts was required for the battleships to be outfitted with the armored box launchers needed to carry and fire Tomahawk missiles. At the time of the Gulf War, these guns had been largely relegated to littoral defense for the battleships. Since each battleship carried a small detachment of Marines aboard, the Marines would man one of the 5 in gun mounts. At the time of their commissioning, all four of the Iowa -class battleships were equipped with 20 quad 40 mm mounts and 49 single 20 mm mounts.
The Oerlikon 20 mm anti-aircraft gun , one of the most heavily produced anti-aircraft guns of the Second World War, entered service in and replaced the 0. When the Iowa -class battleships were commissioned in and they carried twenty quad Bofors 40 mm anti-aircraft gun mounts, which they used for defense against enemy aircraft.
These heavy guns were also employed in the protection of allied aircraft carriers operating in the Pacific Theater of World War II , and accounted for roughly half of all Japanese aircraft shot down between 1 October and 1 February Navy moved quickly to develop a 45,ton battleship that would pass through the ft 34 m wide Panama Canal.
Drawing on a empirical formula for predicting a ship's maximum speed based on scale-model studies in flumes of various hull forms and propellers [N 5] and a newly developed empirical theorem that related waterline length to maximum beam, the Navy drafted plans for a battleship class with a maximum beam of ft 33 m which, when multiplied by 7. The equivalent machinery on New Jersey and Wisconsin was provided by Westinghouse.
Steam was normally transmitted to four engine rooms numbered 1 to 4. Each engine room was aft of its associated fire room. For higher speeds, all eight boilers were lit.
Electricity drove many systems aboard ship, including rotating the turrets and elevating the guns. Each SSTG generated 1. The SSTGs were powered by steam from the same boilers that fed the engines. To allow battle-damaged electrical circuits to be repaired or bypassed, the lower decks of the ship had a Casualty Power System whose large three-wire cables and wall outlets called "biscuits" could be used to re-route power. When they were commissioned during World War II, the Iowa -class battleships came equipped with two aircraft catapults designed to launch floatplanes.
Initially, the Iowa s carried the Vought OS2U Kingfisher [52] and Curtiss SC Seahawk , [52] [53] both of which were employed to spot for the battleship's main gun batteries—and, in a secondary capacity, perform search-and-rescue missions.
The Iowa class were the only battleships with the speed required for post-war operations based around fast aircraft carrier task forces.
– Iowa class – iowa class:
AdShop For Your School's Official Gear & Get Custom Apparel, Accessories And Merchandise.. + Products In Stock – Ready To Ship. Full Range Of Sizes For Men, Women & Kids. Buy has been visited by 10K+ users in the past month. AdBrowse & discover thousands of brands. Read customer reviews & find best sellers. Find deals and low prices on iowa class battleships at The Iowa class was a class of six fast battleships ordered by the United States Navy in and They were initially intended to intercept fast capital ships such as the Japanese Kongō class while also being capable of serving in a traditional battle line alongside slower battleships and act as its "fast wing". The See more.
Iowa class – iowa class:
The planned 28 mm 1. When the ship commissioned inthere was a total of sixty 40 mm guns mounted on board. The anti-aircraft battery was supplemented by 60 very effective 20 нажмите для продолжения Oerlikon guns installed in after commissioning.
Armour protection The armour protection scheme of the Iowa class battleships was modelled on the proven system used on the battleship South Dakota. It is The lower lip touches the double bottom, which in practice would serve iowa class – iowa class: protection against diving projectiles.
The armoured citadel is enclosed by the fore and aft transverse armoured bulkheads. The horizontal armour consists of the 38mm 1. The third deck was only 16mm. The details of the main battery turrets and other components of the armour protection scheme are presented in a table. Underwater protection The iowa class – iowa class: protection scheme of the Iowa class battleships consisted of the series of bulkheads and tanks between them, which were created by the outer plating and three consecutive longitudinal bulkheads.
Two outer tanks could be filled with fuel or ballast water. Two inner ones would remain empty. The liquid-filled tanks were увидеть больше absorb the energy of torpedo explosion, the third, empty tank was to prevent hull leaks, while the fourth, also empty, tank served as protection of the machinery spaces.
The bottom of the hull was protected by the inner bottom stretching between the longitudinal anti-torpedo bulkheads at iowa class – iowa class: entire length of the ship. The double bottom was a storage area for the drinking and process water основываясь на этих данных, as well as the fuel reserve. The space between the second and third bottom always remained empty.
The purpose of the triple /5015.txt system was similar to that of the anti-torpedo bulkheads; it iowa class – iowa class: to absorb the shock of underwater explosions. Technical specifications of the battleship USS Iowa Displacement: 43 t light 48 t standard 55 t optimum battle 57 t full load 59 t maximum Length ,m ft oa ,m Barbettes — — mm, Kagero's Area. II Soviet Heavy Fighters — Articles Most Read Fokker D. Super Model Magazyn Modelarski. SS Red Oak Victory.
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