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Outwardly, the ''New Orleans'' ships had a distinctive appearance and were considered very good-looking vessels, though the 1942–43 refits of the surviving ships changed the appearance substantially. The forward superstructure had the bridge wings cut back, and all of the large size windows were plated in with just a few port holes taking their place. The open bridge above the wheel house was enlarged by 100 percent by extending it forward. In addition several gun tubs were created for the 40 mm Bofors mounts both around the main mast, and aft. The [[forecastle]] deck extended back to the second funnel and the main [[superstructure]] was constructed without the ungainly [[tripod mast]] seen on the previous cruisers. The [[Bow (ship)|bow]] was a raked type, similar to those of British cruisers. The two funnels were situated closer together with a large search light tower in between. Aircraft handling facilities were moved further aft and a larger second conning station erected above the hangar. A single mainmast was erected there, between two huge pedestal cranes which handled both spotter planes and small craft. The main 8-inch turrets, although armored, were actually smaller with a more effective angular faceplate. By enlarging the forecastle deck, the secondary battery of 5-inch guns were mounted closer together, facilitating a more efficient ammunition delivery. |
Outwardly, the ''New Orleans'' ships had a distinctive appearance and were considered very good-looking vessels, though the 1942–43 refits of the surviving ships changed the appearance substantially. The forward superstructure had the bridge wings cut back, and all of the large size windows were plated in with just a few port holes taking their place. The open bridge above the wheel house was enlarged by 100 percent by extending it forward. In addition several gun tubs were created for the 40 mm Bofors mounts both around the main mast, and aft. The [[forecastle]] deck extended back to the second funnel and the main [[superstructure]] was constructed without the ungainly [[tripod mast]] seen on the previous cruisers. The [[Bow (ship)|bow]] was a raked type, similar to those of British cruisers. The two funnels were situated closer together with a large search light tower in between. Aircraft handling facilities were moved further aft and a larger second conning station erected above the hangar. A single mainmast was erected there, between two huge pedestal cranes which handled both spotter planes and small craft. The main 8-inch turrets, although armored, were actually smaller with a more effective angular faceplate. By enlarging the forecastle deck, the secondary battery of 5-inch guns were mounted closer together, facilitating a more efficient ammunition delivery. |
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Power was provided by eight [[Babcock & Wilcox]] [[steam boilers]] that produced {{Convert|107000|hp|kW|-2|abbr=on|lk=in}} for the four [[steam turbine|Westinghouse gearing steam turbines]]. The turbines were shafted to four screws, giving this class a rated speed of {{convert|32.75|kn|km/h|1|lk=in}}. The cruisers' range – using {{convert|2195|LT|lk=in}} of bunker oil – was approximately {{convert|9000|nmi|km|-1|lk=in}} at {{convert|10|kn|km/h|0}}<ref>Steve Wiper. USS Minneapolis CA-36. (1997) p. 56</ref> or {{convert|5280|nmi|km|0}} at {{convert|20|kn|km/h|0}}.<ref>Baker, A. D., Friedman N. U. S. Cruisers: An Illustrated Design History., 1984, p. 474</ref> Their range could be extended by refueling from an oiler or another ship fitted to transfer oil while underway. |
Power was provided by eight [[Babcock & Wilcox]] [[steam boilers]] that produced {{Convert|107000|hp|kW|-2|abbr=on|lk=in}} for the four [[steam turbine|Westinghouse gearing steam turbines]]. The turbines were shafted to four screws, giving this class a rated speed of {{convert|32.75|kn|km/h|1|lk=in}}. The cruisers' range – using {{convert|2195|LT|lk=in}} of bunker oil – was approximately {{convert|9000|nmi|km|-1|lk=in}} at {{convert|10|kn|km/h|0}}<ref>Steve Wiper. USS Minneapolis CA-36. (1997) p. 56 </ref> or {{convert|5280|nmi|km|0}} at {{convert|20|kn|km/h|0}}.<ref>Baker, A. D., Friedman N. U. S. Cruisers: An Illustrated Design History., 1984, p. 474</ref> Their range could be extended by refueling from an oiler or another ship fitted to transfer oil while underway. |
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The ''New Orleans'' cruisers performed peacetime exercises well with no serious shortcomings being found. While many changes were implemented to improve their performance and especially their protection, the 10,000-ton limit of the Washington Naval Treaty was not exceeded. The new cruisers were considered successful in their own right but could not be considered equal to some foreign contemporaries, which were often considerably larger. |
The ''New Orleans'' cruisers performed peacetime exercises well with no serious shortcomings being found. While many changes were implemented to improve their performance and especially their protection, the 10,000-ton limit of the Washington Naval Treaty was not exceeded. The new cruisers were considered successful in their own right but could not be considered equal to some foreign contemporaries, which were often considerably larger. |
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