Helena
Revision as of 19:49, 25 April 2018 | Revision as of 22:05, 25 April 2018 added historical info and images | |||
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===History=== | ===History=== | |||
? | + | USS ''Helena'' (CL-50) was a ''St. Louis''-class light cruiser of the United States Navy. Completed shortly before World War II, she was damaged in the attack on Pearl Harbor and was at the center of three significant battles during the Solomon Islands campaign of the Pacific War. She was sunk by three surface-fired torpedoes at the battle of Kula Gulf in 1943. She was one of three U.S. light cruisers to be sunk during the war.<br /> | ||
+ | In March 1945, for actions in October and November 1942, and in her final engagement on July 5, 1943, Helena became the first US Navy ship to be awarded the Navy Unit Commendation Medal.<br /> | |||
+ | On April 11 2018, her wreck was discovered in the Solomon Islands by Paul Allen's research ship R/V Petrel. | |||
====Design==== | ====Design==== | |||
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|HistoricalGallery=<!-- write below list of files with description (if necessary) separated with | --><gallery> | |HistoricalGallery=<!-- write below list of files with description (if necessary) separated with | --><gallery> | |||
? | + | File:Torpedo damage of USS Helena (CL-50) from Pearl Harbor attack, on 14 December 1941.jpg|Torpedo damage of ''Helena'', 14 December 1941. | ||
+ | File:CapeEsperanceChart.jpg|U.S. Navy track chart of the battle accurately depicts the movements of the U.S. ships (lower tracks) but not the Japanese ship tracks (upper, darker line). | |||
+ | File:Torpedo damage plan of USS Helena (CL-50) in the Battle of Kuly Gulf, 6 July 1943 (C l5001).jpg|US Navy War Damage Report drawing of fatal damage to ''Helena'' which was sunk on 6 July 1943. | |||
</gallery> | </gallery> | |||
Revision as of 22:05, 25 April 2018
Helena
Tech Tree Position
stock
top
Main Battery
152 mm/47 Mk.16 in a turret5 х 3 pcs. |
Rate of Fire7.06 shots/min. |
Reload Time8.5 sec. |
Rotation Speed8 deg./sec. |
180 Degree Turn Time22.5 sec. |
Firing Range13.24 km. |
Maximum Dispersion133 m. |
HE Shell152 mm HE/HC Mk34 |
Maximum HE Shell Damage2,200 |
Chance of Fire on Target Caused by HE Shell12 % |
Initial HE Shell Velocity812 m./s. |
HE Shell Weight47.6 kg. |
AP Shell152 mm AP Mk35 |
Maximum AP Shell Damage3,200 |
Initial AP Shell Velocity762 m./s. |
AP Shell Weight59 kg. |
Secondary Armament #1
127 mm/38 Mk.12 on a Mk.29 mount4 х 2 pcs. |
Firing Range5.6 km. |
Rate of Fire10 shots/min. |
Reload Time6 sec. |
HE Shell127 mm HE Mk32 |
Maximum HE Shell Damage1,800 |
Initial HE Shell Velocity792 m./s. |
Chance of Fire on Target Caused by HE Shell5 % |
AA Defense
127 mm/38 Mk.12 on a Mk.29 mount4 х 2 pcs. |
. . . Average Damage per Second60.4 |
. . . Firing Range5.01 km. |
28 mm Mk.1 on a Mk.2 mount8 х 4 pcs. |
. . . Average Damage per Second18.4 |
. . . Firing Range2.4 km. |
20 mm Oerlikon on a Mk.24 mount4 х 2 pcs. |
. . . Average Damage per Second24.4 |
. . . Firing Range2.01 km. |
20 mm Oerlikon on a Mk.4 mount10 х 1 pcs. |
. . . Average Damage per Second36 |
. . . Firing Range2.01 km. |
Maneuverability
Maximum Speed32.5 knot |
Turning Circle Radius680 m. |
Rudder Shift Time12.8 sec. |
Concealment
Surface Detectability Range11.52 km. |
Air Detectability Range6.44 km. |
Battle Levels
12345678910
Helena — American Tier VII cruiser.
A light cruiser similar to Brooklyn-class ships, but with a different architecture and full-fledged dual-purpose artillery. One of the few ships of her type that had fifteen 152 mm guns as the main battery.
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