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==Design and description==
==Design and description==
The ''Akizuki''-class ships were originally designed as anti-aircraft escorts for carrier battle groups, but were modified with [[torpedo tube]]s and [[depth charge]]s to meet the need for more general-purpose destroyer. Her crew numbered 300 officers and enlisted men. The ships measured {{convert|134.2|m|ftin|sp=us}} [[Length overall|overall]], with a [[beam (nautical)|beam]] of {{convert|11.6|m|ftin|sp=us}} and a [[draft (ship)|draft]] of {{convert|4.15|m|ftin|sp=us}}.<ref>Sturton, p. 195</ref> They displaced {{convert|2744|t|LT|sp=us}} at [[Displacement (ship)#Standard displacement|standard]] load and {{convert|3759|t|LT|sp=us}} at deep load.<ref>Whitley, p. 204</ref>
The ''Akizuki''-class ships were originally designed as [[Anti-aircraft warfare|anti-aircraft]] escorts for carrier battle groups, but were modified with [[torpedo tube]]s and [[depth charge]]s to meet the need for more general-purpose destroyers. The ships measured {{convert|134.2|m|ftin|sp=us}} [[Length overall|overall]], with [[beam (nautical)|beams]] of {{convert|11.6|m|ftin|sp=us}} and [[draft (ship)|drafts]] of {{convert|4.15|m|ftin|sp=us}}.<ref>Sturton, p. 195</ref> They displaced {{convert|2744|t|LT|sp=us|lk=on|disp=flip}} at [[Displacement (ship)#Standard displacement|standard load]]<ref name=w4/> and {{convert|3470|t|LT|sp=us|disp=flip}} at [[deep load]].<ref>Todaka, p. 213</ref> Their crews numbered 300 officers and [[enlisted men]].<ref name=w4>Whitley, p. 204</ref>


The ship had two [[Kampon]] geared [[steam turbine]]s, each driving one [[propeller shaft]], using steam provided by three Kampon [[water-tube boiler]]s. The turbines were rated at a total of {{convert|52000|ihp|lk=in}} for a designed speed of {{convert|33|kn|lk=in}}. The ship carried up to {{convert|1097|LT|t}} of [[fuel oil]] which gave them a range of {{convert|8300|nmi|lk=in}} at a speed of {{convert|18|kn}}.<ref>Jentschura, Jung & Mickel, p. 150</ref>
Each ship had two [[Kampon]] geared [[steam turbine]]s, each driving one [[propeller shaft]] using steam provided by three Kampon [[water-tube boiler]]s. The turbines were rated at a total of {{convert|52000|shp|lk=on|0}} for a designed speed of {{convert|33|kn|lk=in}}. The ships carried enough [[fuel oil]] to give them ranges of {{convert|8300|nmi|lk=in}} at speeds of {{convert|18|kn}}.<ref>Jentschura, Jung & Mickel, p. 150</ref>


The main armament of the ''Akizuki'' class consisted of eight [[10 cm/65 Type 98 naval gun|Type 98 {{convert|100|mm|adj=on|1|sp=us}}]] [[dual purpose gun]]s in four twin-[[gun turret]]s, two [[superfiring]] pairs fore and aft of the [[superstructure]]. They carried four [[Type 96 25 mm AT/AA Gun|Type 96 {{convert|25|mm|adj=on|1|sp=us}}]] [[anti-aircraft gun]]s in two twin-gun mounts. The ships were also armed with four {{convert|610|mm|in|adj=on|1|sp=us}} [[torpedo tube]]s in a single quadruple traversing mount; one reload was carried for each tube. Their anti-submarine weapons comprised six [[depth charge]] throwers for which 72 depth charges were carried.<ref>Whitley, pp. 204–05</ref>
The main armament of the ''Akizuki'' class consisted of eight [[10 cm/65 Type 98 naval gun|{{convert|100|mm|adj=on|1|sp=us}} Type 98]] dual-purpose guns in four twin-[[gun turret]]s, two [[superfiring]] pairs fore and aft of the [[superstructure]]. They each carried a dozen [[Type 96 25 mm AT/AA Gun|{{convert|25|mm|adj=on|0|sp=us}} Type 96]] [[anti-aircraft gun|anti-aircraft (AA) guns]] in four triple-gun mounts. The ships were also each armed with four {{convert|610|mm|in|adj=on|sp=us}} torpedo tubes in a single quadruple rotating mount [[amidships]]; one reload was carried for each tube.<ref>Whitley, pp. 204–205</ref> The later batchs of ships were each equipped with six depth charge throwers for which 72 depth charges were carried. ''Yoizuki'' was equipped with a Type 21 [[early-warning radar]] on her [[foremast]].<ref>Stille, p. 33</ref>


==Construction and career==
==Construction and career==

Revision as of 13:08, 28 April 2024

Yoizuki
Yoizuki in Kure on 16 October 1945, after the war.
History
Empire of Japan
NameYoizuki
BuilderUraga Dock Company
Laid down25 August 1943
Launched25 September 1944
Completed31 January 1945
Commissioned31 January 1945
Stricken5 October 1945
FateTransferred to Republic of China Navy, 29 August 1947
Republic of China
NameFen Yang
Acquired29 August 1947
CommissionedFebruary 1949
ReclassifiedAs a training ship, 1 October 1949
FateScrapped, 1963
General characteristics
Class and typeAkizuki-class destroyer
Displacement
  • 2,700 long tons (2,743 t) standard
  • 3,700 long tons (3,759 t) full load
Length134.2 m (440 ft 3 in)
Beam11.6 m (38 ft 1 in)
Draft4.15 m (13 ft 7 in)
Propulsion
  • 4 × Kampon type boilers
  • 2 × Parsons geared turbines
  • 2 × shafts, 50,000 shp (37 MW)
Speed33 knots (38 mph; 61 km/h)
Range8,300 nmi (15,400 km) at 18 kn (21 mph; 33 km/h)
Complement263
Armament

Yoizuki (宵月, "Evening Moon") was an Akizuki-class destroyer of the Imperial Japanese Navy. Her name means "Moon Visible as Day Joins Evening". She was commissioned too late to see action in World War II. Following the war, the ship was handed over to the Republic of China and renamed Fen Yang.

Design and description

The Akizuki-class ships were originally designed as anti-aircraft escorts for carrier battle groups, but were modified with torpedo tubes and depth charges to meet the need for more general-purpose destroyers. The ships measured 134.2 meters (440 ft 3 in) overall, with beams of 11.6 meters (38 ft 1 in) and drafts of 4.15 meters (13 ft 7 in).[1] They displaced 2,701 long tons (2,744 t) at standard load[2] and 3,420 long tons (3,470 t) at deep load.[3] Their crews numbered 300 officers and enlisted men.[2]

Each ship had two Kampon geared steam turbines, each driving one propeller shaft using steam provided by three Kampon water-tube boilers. The turbines were rated at a total of 52,000 shaft horsepower (38,776 kW) for a designed speed of 33 knots (61 km/h; 38 mph). The ships carried enough fuel oil to give them ranges of 8,300 nautical miles (15,400 km; 9,600 mi) at speeds of 18 knots (33 km/h; 21 mph).[4]

The main armament of the Akizuki class consisted of eight 100-millimeter (3.9 in) Type 98 dual-purpose guns in four twin-gun turrets, two superfiring pairs fore and aft of the superstructure. They each carried a dozen 25-millimeter (1 in) Type 96 anti-aircraft (AA) guns in four triple-gun mounts. The ships were also each armed with four 610-millimeter (24 in) torpedo tubes in a single quadruple rotating mount amidships; one reload was carried for each tube.[5] The later batchs of ships were each equipped with six depth charge throwers for which 72 depth charges were carried. Yoizuki was equipped with a Type 21 early-warning radar on her foremast.[6]

Construction and career

In March, 1946, Yoizuki was used to transport over 1,000 Formosans, Filipinos and Japanese prisoners of war from Sydney, Australia. The conditions aboard ship and the obvious distress of the repatriates prompted controversy in Australia. On 29 August 1947, Yoizuki was turned over to the Republic of China. Renamed CNS Fen Yang, she was scrapped in 1963.

Notes

  1. ^ Sturton, p. 195
  2. ^ a b Whitley, p. 204
  3. ^ Todaka, p. 213
  4. ^ Jentschura, Jung & Mickel, p. 150
  5. ^ Whitley, pp. 204–205
  6. ^ Stille, p. 33

References

  • Dodson, Aidan & Cant, Serena (2020). Spoils of War: The Fate of Enemy Fleets after Two World Wars. Barnsley, UK: Seaforth Publishing. ISBN 978-1-5267-4198-1.
  • Jentschura, Hansgeorg; Jung, Dieter & Mickel, Peter (1977). Warships of the Imperial Japanese Navy, 1869–1945. Annapolis, Maryland: United States Naval Institute. ISBN 0-87021-893-X.
  • Rohwer, Jürgen (2005). Chronology of the War at Sea 1939–1945: The Naval History of World War Two (Third Revised ed.). Annapolis, Maryland: Naval Institute Press. ISBN 1-59114-119-2.
  • Stille, Mark (2013). Imperial Japanese Navy Destroyers 1919–45 (2): Asahio to Tachibana Classes. Botley, UK: Osprey Publishing. ISBN 978-1-84908-987-6.
  • Sturton, Ian (1980). "Japan". In Chesneau, Roger (ed.). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
  • Todaka, Kazushige, ed. (2020). Destroyers: Selected Photos from the Archives of the Kure Maritime Museum; the Best from the Collection of Shizuo Fukui's Photos of Japanese Warships. Japanese Naval Warship Photo Album. Annapolis, Maryland: Naval Institute Press. ISBN 978-1-59114-630-8.
  • Whitley, M. J. (2000). Destroyers of World War Two: An International Encyclopedia. London: Cassell & Co. ISBN 1-85409-521-8.
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